Invader Zim is an ongoing American comic book series created by Jhonen Vasquez. It is a continuation of the animated television series of the same name that originally aired on Nickelodeon. Publication officially began in July 2015.
On February 13th, 2015, Oni Press, an American independent comic book publisher, posted an image to their Tumblr and Twitter with the cryptic message "Doom is Coming", followed by the message "Stay tuned for more — 2/20/15". It was in the familiar font and was reblogged by Jhonen Vasquez himself.
It was announced on February 20th, 2015 that OniPress had decided to partner with Nickelodeon and original creator Jhonen Vasquez to bring Zim back to life in the form of a comic book series, "arriving this July (1st)".
"I'm always confused when people say how much they miss Invader Zim because the show never stopped running in my head, and then I remember everyone else isn't in my head", Jhonen Vasquez is quoted in Oni's press release announcing the series. "I try to imagine the world for all those people who don't know what Zim's been up to since the show went off the air and it makes me shudder. How can people live that way? Hopefully this comic helps make the world a better place". 
On February 11, 2020, it was announced that the monthly released comic series would end with the release of Issue 50 in March, and replaced with a new series, Invader Zim Quarterly, which would be released quarterly starting in April. However, this was postponed to June instead, due to the coronavirus (COVID-19) pandemic.
On April 5, 2021, it was announced that the Invader Zim comic series would end completely with the publication of a special oneshot issue in August of that year.
So far, the confirmed crew working on the comic are as follows:
- Jhonen Vasquez: Writing, consulting. He has scripted issues 1, 2 and 20, and plans on working on more in the future. He also says he'll be doing "pencils" for cover art.
- Eric Trueheart: Writing. He worked on the show as a writer, scripting episodes such as "Bad, Bad Rubber Piggy" and "Hamstergeddon", as well as co-writing on several other episodes.
- Aaron Alexovich: Writing, art. He drew the original promotional image. He was a concept artist for the original show.
- Rikki Simons: Coloring. He was the voice of GIR and colorist for the show.
- Megan Lawton: Inking. She is the only initial comics member who was not from the original Zim crew.
- Dave Crosland: Had worked as an artist starting from Issue 7. He was also planned to contribute a backup comic in Issue 8, though this never happened.  He wrote Issue 21 as a one-shot.
- Warren Wucinich: Started working on lettering in Issue 7. Now also works in coloring and penciling. Has drawn several covers.
- Fred C. Stressing: Coloring. He has become the main colorist since Issue 12.
There may be more as time goes on and new comics appear.
It was announced on May 15, 2015 that a "comic supplement" to the upcoming series would debut at Denver Comic-Con (May 23-25). TruthShrieker, a conspiracy-magazine-style comic, features work by Invader Zim creator Jhonen Vasquez along with Aaron Alexovich, Eric Trueheart, Rikki Simons and Megan Lawton. It also has articles by Invader Zim antagonist Dib among other brave TruthShrieker contributors unencumbered by the public's insistence on "facts". Fans can look forward to hard-hitting journalism pieces like "Where is Invader Zim?", "Ms. Bitters Has Always Existed??", "Is This Bee Haunted?" and many more. 
The zine would then be available again at the San Diego Comic-Con (2015) before becoming available on OniPress' online store.
|Retail Cover||Issue #||Description||Release date|
|TruthShrieker (Issue #0)||TruthShrieker is presented as a fanzine publication and features news reports and conspiracy theories from the world of Invader Zim. These stories are written from the point of view of Zim's nemesis, Dib, and other fellow "truthshriekers" as they ask questions like “Where is Invader Zim?”, “Ms. Bitters Has Always Existed??”and “Is This Bee Haunted?”.||May 23, 2015|
|Issue #1||ZIM and his filthy evil ways have been gone for what feels like years. But Dib KNOWS the alien menace will rear his head again, and he won't leave the house, or his 900 security monitors, until it happens. And it WILL happen. Oh, it WILL.||July 8, 2015|
|Issue #2||Dib knows ZIM's sudden disappearance from Earth can only mean bad news for the human race. Can Dib stop him before Earth is just another alien-infested spaceside attraction like the universe's biggest doughnut?||August 19, 2015|
|Issue #3||An ancient secret, a four-hoofed legend, and a plot to kick all life off the earth. Now ZIM will stop at nothing to summon the awesome, mulish power of… The Star Donkey!||September 16, 2015|
|Issue #4||ZIM receives a mysterious delivery from the Almighty Tallest! Then mysterious orders! Then totally different mysterious orders that will probably hurt a lot! Is this the most important assignment of his invader career, or are the Tallest just really, really bored?||October 21, 2015|
|Issue #5||[Note: There is currently no accurate official summary for this issue, click the article for more details about this comic.]||December 2, 2015|
|Issue #6||Special one-shot issue written and drawn by KC Green (Gunshow, Graveyard Quest)! Three short tales answer the most-asked questions about everyone’s favorite Irken Invader. Like, where can someone like ZIM get a bank loan? What’s the most sought-after, limited-time-only treat in the galaxy? And how long can ZIM spend looking for a lost shoe before the universe implodes?||January 6, 2016|
|Issue #7||ZIM’s tragic past revealed? Nope! No. Never. Why. But other things will be revealed! Critically acclaimed comedy cartoonist Kyle Starks and also critically acclaimed cartoonist Dave Crosland join forces on this explosive issue!||February 10, 2016|
|Issue #8||Dib wears the wrong pants... WITH DEADLY CONSEQUENCES!! Can the Earth survive an invasion from the waist down?||March 23, 2016|
|Issue #9||Every time ZIM rears his ugly, Irken head, something terrible happens. No one is safe from ZIM’s mighty plans! NO ONE! Not even YOU. But that guy over there? He might be.||May 4, 2016|
|Issue #10||After witnessing a shameless and pathetic human ritual known as “Show and Tell,” ZIM is determined to SHOW the biggest TELL of them all! And of course, Dib is going to have to keep this TELL from SHOWING the whole school its powers of SHOWING AND TELLING!||June 8, 2016|
|Issue #11||A special one-shot written and illustrated by Sarah Andersen (Sarah's Scribbles)! When GIR brings home a flea-ridden stray cat, ZIM is furious—until he finds out what the cat does to Dib. Dib's sneezing and covered in hives—could the magical powers of this ""cat"" be harnessed and turned against all of mankind? Could the earth FINALLY be ZIM's?||July 6, 2016|
|Issue #12||ZIM and Dib are slingshotted to a horrifying future where the earth is ruled by… ZIM? Yes, Emperor ZIM is triumphant, and humanity bows before his greatness. But Invader ZIM decides his future self is a huge ungrateful jerk, and now ZIM must go to war against himself!||August 10, 2016|
|Issue #13||When an evil band of evil aliens from the farthest reaches of evilspace kidnap ZIM's best friend, ZIM is horrified. Until, that is, he discovers the aliens think his “best friend” is Dib. Now ZIM couldn't care less, but Dib, trapped in a cell on an alien ship, cares a lot.||September 21, 2016|
|Issue #14||Once every generation, Bloaty’s Pizza Hog holds the coveted Bloatyshorts Giveaway Night. Gaz is determined to attend this once-in-a-lifetime event, but it’s Dib’s turn to choose the restaurant for the Membrane family dinner! Can Gaz sway Dib by actually being nice to him? Or will she brutally murder him with kindness?||October 19, 2016|
|Issue #15||What is the secret truth behind Miss Bitters? Is she an undead witch? A crone-beast as old as time itself? A dark instrument of infernal vengeance in a smelly dress? Everyone has a theory, and when Miss Bitters doesn’t show up for Skool one morning, they all come out of the woodwork.||November 30, 2016|
|Issue #16||Special one-shot from original series artist (and Invader ZIM character designer) Aaron Alexovich! When ZIM, master of fear, gets spooked by Dib, he’ll do whatever it takes to prove he isn’t scared of anything! Or that Dib is scared of something! Or that GIR is scared of everything! ANYWAY! ZIM is the master of fear here, and that’s the MOST important!||December 21, 2016|
|Issue #17||Once again, Dib is kidnapped by malicious aliens! But there’s a big difference: they’ve also kidnapped ZIM! WHAT EVIL IS THIS?||February 15, 2017|
|Issue #18||Another tension-filled issue of Invader ZIM will see Dib facing off against his greatest enemy… BEES! Wait, is that right? Uh… sure!||April 5, 2017|
|Issue #19||Come one, come all, to ZIMZOO! It's definitely NOT an imitation zoo created by ZIM and the Robo-parents to fool the public into thinking they have an actual job. Nope, it's got 100% real actual animals NOT made from bio-slurry. Come see the majestic AGRILLATOR, or learn about the eating habits of the colloquial SHROMB. They're real animals, Dib, so keep your big head out of this!||May 10, 2017|
|Issue #20||If you haven’t watched all 385 seasons of FLOOPSY BLOOPS SHMOOPSY yet don’t even bother reading this issue! Lotta in-jokes that are just gonna go WAAAAAY over your head. Also, spoilers for the season 4 finale!||June 14, 2017|
|Issue #21||Special one-shot issue by former series artist Dave Crosland! ZIM’s finally found a way to get rid of Dib and Gaz—his Mind Swapper will transfer their brains into any object ZIM desires! Enter GIR, out of control and hopped-up on sugar, causing the machine to malfunction. And when the smoke clears, the wrong minds have been swapped! Now Gaz is ZIM and GIR is Dib and Dib is GIR and ZIM is Gaz and… eh, just read the issue, alright?||July 12, 2017|
|Issue #22||WELCOME TO ZIM’S GREATEST PLAN YET! Earth will soon be his! (Maybe!) Unfortunately, there’s something wrong with GIR—ASIDE from the usual list of things. For one, he’s intentionally trying to kill ZIM. And for two, he’s doing it at the worst possible times. Is ZIM’s greatest plan destined for failure (like it usually is)? Part one of a four-part story!||August 9, 2017|
|Issue #23||There’s a virus in GIR’s head. This virus is mean, determined, and probably covered in spikes and stuff. Most importantly, it’s making GIR want to kill ZIM, and ZIM can’t really let that happen. But the only way to destroy the virus is to travel inside GIR’s broken robot mind, and the inside of GIR’s broken robot mind is a virtual madhouse of crazy. PART TWO OF A FOUR-PART STORY!||September 13, 2017|
|Issue #24||The killer virus has a name! Well, not really, but ZIM has the name of the guy who put the virus in GIR in the first place: VIROOZ. He also knows where he lives-Cyberflox, the galaxy’s largest technology flea market! It’ll take all of ZIM’s cunning, intelligence, and subtlety to infiltrate the planet and find VIROOZ, which means ZIM is probably going to fail. Badly. Part three of a four-part story!||October 18, 2017|
|Issue #25||The climactic battle begins! Wait, no… ZIM’s been captured, so… THE CLIMACTIC BEING-CAPTURED BEGINS! Now a prisoner of VIROOZ, ZIM has a lot to answer for. Questions so burning, we wouldn’t think of spoiling them here. But now ZIM must fight for his life on a barren world against an enemy who’s really, really disappointed in him. Part four of a four-part story!!||November 22, 2017|
|Issue #26||Special one-shot issue written and illustrated by Sarah Graley (Rick and MortyTM: Lil’ Poopy Superstar, Kim Reaper)! There’s a new kid in skool, and his name is GIR…B? GIRB?! That’s just GIR with an extra B tacked on the end! But somehow the skoolkids are all fooled—except ZIM of course, he’d recognize his lackey… er, slave… er, servant?… anywhere! And also Dib, because he’s the only one who can see through bad human disguises, apparently.||December 13, 2017|
|Issue #27||On a search for the rare element Splodium-235, ZIM discovers that deep beneath his own base lies another alien base. And inside it is another alien. And this alien claims he took over the Earth years ago. Is he insane? More importantly, can ZIM steal his supply of Splodium-235 and get out? Or will he keep ZIM in his base forever because… well… he’s just so lonely down there?||January 24, 2018|
|Issue #28||SOMEWHERE IN SPACE is an object so powerful, so deadly, so mysterious, that no one has ever laid claim to it! AND ZIM WANTS IT! But that's before he realizes WHY this mysterious object is so hard to obtain—the closer you get to it, the more time slows down. But hey, ZIM's carried out stupider quests without giving up, so... well, it should be entertaining, at least.||February 14, 2018|
|Issue #29||The city is a dark place... as dark as new Darkpoop Cola, an exclusive Poop Cola flavor available for a limited time! When Gaz demands her brother get her some of the precious cola in
the middle of the night, Dib enters a shadowy underground of Poop-driven factions warring for control of all Poop-kind. But why? Is there more to Poop than meets the eye? And is it all just too stupid for Dib to care about? Part one of a two-part story.
|March 14, 2018|
|Issue #30||Turns out there is more to Darkpoop Cola than meets the eye, and now Dib has been recruited into the inner circle of Poopwatch, a secret society dedicated to stopping the advance of dark forces who would use the power of Poop for evil. But can Dib get his hands on a bottle of Darkpoop before Gaz kills him? And what does this have to do with ZIM? The thrilling part two of a two-part two-parter!||May 23, 2018|
|Issue #31||Hey, have you missed Dib? He's back! In Dib form! And he's tearing up the world of cryptids by doing an extreme exposé of a local abandoned amusement park, which is TEEMING with supernatural creatures. Hopefully it'll raise his rank with the Truthshrieker posters... but Dib doesn't expect to bust open the biggest conspiracy since HAMGATE (when President Man lied about EATING HAM). Special one-shot issue from KC Green (Gunshow, Back, Graveyard Quest) and Anthony Clark (Nedroid, Back)!||June 13, 2018|
|Issue #32||"National Physical Fitness Day" is usually ZIM's (and Dib's) least favorite day. But this year, President Man will be coming to Skool to congratulate the winners! IN PERSON! And ZIM must be one of those winners, so he can kidnap President Man! Thus begins THE BULKENING. Of course, Dib figures out what's going on, and in this case, the only way to defeat ZIM... IS TO GET PHYSICAL.||July 18, 2018|
|Issue #33||Dib and ZIM both compete in the Skool's Innovation Fair, but ZIM's ultimate project-which was going to both humiliate Dib AND finally help ZIM take control of Earth-has been swapped with GIR's ultimate project, which is... something called "Mr. Wiener Face." But somehow, the judges are impressed! Could it be that the way to control the humans is through their love of processed meats? ZIM will find out!||August 8, 2018|
|Issue #34||Who’s in prison? ZIM’s in prison! What did he do to get there? No one knows! Not even him! But Moo-Ping 10 is the most notorious Space Prison in the whole of the Irken Empire, and ZIM better get out soon, or he could end up rotting in a space cell for the rest of the comic series, and that would be very, very bad for sales.||September 5, 2018|
|Issue #35||Who’s STILL in prison? ZIM’s still in prison! Will it ever end? Probably, since this is part two! ZIM gets help from a mysterious source who wants to help him break out of Moo-Ping 10, notorious Irken space prison. But who is this source, and can they be trusted?||September 26, 2018|
|Issue #36||Halloween! All Hallow’s Eve! Scare-Topia 2000! Whatever you call October 31st, ZIM doesn’t quite understand it. All he knows is that the candy given out on this terrible day must have some kind of mind-control substance inside of it (that he will, of course, exploit for world-taking-over purposes). When his investigation leads him to an abandoned factory and a band of feral children living off its sweet, sweet reserves, he’ll learn the hard way that some things are better left unknown.||October 31, 2018|
|Issue #37||When Dib wakes up one morning to find ZIM inside his house, eating breakfast with his family, he's confused. Even more confused when everyone refers to ZIM as Dib's brother. What horrible plot could ZIM be unfurling? But the more Dib looks into it, the more it seems like... ZIM might actually be his brother? Is that possible? Or will Dib lose his mind trying to unravel the vast conspiracy?||November 28, 2018|
|Issue #38||ZIM's latest insidious plan for world domination has dire consequences for GIR, and now everyone thinks the poor dog is dead. Not only that, they seem to think he's some kind of... hero? Which is definitely a word that ZIM has never heard before.||January 2, 2019|
|Issue #39||When an alien ship crashes on Earth, its builders demand to know who is responsible for causing the accident. They have four suspects to interrogate: siblings Dib and Gaz Membrane, a green earth-child just named ZIM, and a green earth-dog named GIR. Only one is telling the truth. But which one? And why? And which one? And why?||January 30, 2019|
|Issue #40||Think you've seen it all? HIGHLY UNLIKELY. For you haven't read this extraspecial issue of Invader ZIM, featuring TALES OF STUFF THAT DID NOT HAPPEN! Maybe you'll see him go underwater to fight the dirty denizens of Atlantis! (Probably not.) MAYBE GIR IS A CAT?! Maybe YOU'RE a cat! You'd better go check to make sure you aren't before buying this issue.||February 27, 2019|
|Issue #41||A very spooky one-shot written and illustrated by Drew Rausch (Edward Scissorhands, Eldritch!)! Dib's feeling a little under the weather, but his bones are as healthy as ever! Maybe that's why his skeleton decides to leave his body for a night and go on a wacky adventure? This one's for all the fans who requested more skeletons. All two of you!||March 27, 2019|
|Issue #42||Meet the Plim-an alien race that's never been beyond their own planet, never known the wonders of the universe. In fact, they have a prophecy that one day a hero will come crashing through their atmosphere, bringing tales from across the galaxy! So what happens when both ZIM and Dib crash-land on their planet? The prophecy only said there'd be ONE hero, so... which one of them could it be?||April 24, 2019|
|Issue #43||When Dib discovers the contents of a "secret vault" on planet Plim, he jumps into action to prevent ZIM from taking over the planet of vulnerable, naive aliens (who love ducks for some reason). But ZIM's got a huge lead, AND a bunch of ducks! Is it too late for the Plim? (Probably.)||May 22, 2019|
|Issue #44||It's the ski-pocalypse! Is that a thing? It is now! All Dib wants to do is have a relaxing vacation with his family, but as always, ZIM shows up to ruin everything with a sinister plot! It's on Meat Mountain especially sinister this time around, because it takes advantage of Dib's lack of any athletic ability! What will await Dib on the... BUNNY HILL OF MEAT???||June 26, 2019|
|Issue #45||The epic journey of Little Meat Man starts here! Who is Little Mean Man? Why is Little Meat Man? And why does ZIM love him so? HE LOVES HIM SO MUCH!||July 17, 2019|
|Issue #46||When ZIM and Dib receive the same Irken distress signal from the stormiest place on Earth-Pandora's Quadrangle-they both race to answer it. But the horrible surprise at the Quadrangle's core will lead them both (and GIR! Don't forget GIR!) to a far corner of the universe, and a world where neither of them are welcome. Part one of a four-part story!||August 28, 2019|
|Issue #47||Part two of the Battle Void arc! ZIM and Dib are stranded on the same planet, but while Dib joins up with the local resistance (A.K.A. LOSERS) ZIM decides to battle his way up the ranks of the planet's gladiatorial system in hopes of getting to the world's extremely mysterious leader who does extremely mysterious stuff! THAT ZIM IS GONNA FIND OUT ABOUT!!||September 25, 2019|
|Issue #48||Part three of the Battle Void arc! As the newest member of the top tier, uber-elite citizens, ZIM is crowned the king of... security? Apparently the great leader thinks he's better than ZIM at ruling worlds and ranking citizens, but ZIM's gonna show him... by completely ignoring all of his security responsibilities. And hey, remember Dib? He's gonna lead the resistance to go take down the leader once and for all! All he needs is a gap in security...||December 11, 2019|
|Issue #49||Part four of the Battle Void arc! The final issue! The big cheese! ZIM and Dib come face-to-face with the face of the leader of the horrible planet they’ve been trapped on for the last three issues. Oh wait, only Dib thinks it’s horrible. ZIM likes it just fine! Especially if he can overthrow the leader and take over. ZIM could really turn this planet around, you know? Make it even more horrible than it already is. But the leader isn’t giving up his title so easily. And ZIM won’t find it so easy to… take… his title… Eh, just read the issue, okay?||February 19, 2020|
|Issue #50||ZIM and Dib have been in conflict for an eternity, but now a force arises that could consume them both: a kid who wants them to be nice to each other! This can only end in screaming, howling tragedy.||March 18, 2020|
|The Dookie Loop Horror||In Invader ZIM: Dookie Loop Horror, up in the sky, something...BLUE approaches. And it smells HORRIBLE. It turns out that interdimensional creatures called Chrono-Dumpers eat time and use our dimension as a toilet, creating an infinite time loop. There is no escape from the time poop loop, forcing Dib and ZIM to live the same TERRIBLE day forEVER. They wake, the tuxedoed pig farts, the world ends. And the key to fixing the loop is GIR. We are all DOOOMED.||August 4, 2021|
|Retail Cover||Issue #||Description||Release date|
|Quarterly #1||A brand new, oversized issue of Invader ZIM - now released quarterly! Tasked with a very important mission, ZIM's robot servant, GIR, ventures into the wide world to assist his master with his most diabolical scheme yet! But no one counted on GIR's distractibility... or time travelers... or weird hybrid lab animals who need rescuing. All in a day's work for GIR! But what was he actually supposed to be doing, again?||June 17, 2020|
|Quarterly #2||Millionnaire Max Beesworth, owner of the local honey mine, is hosting a CRYPTID CHALLENGE. Anyone can present a cryptid, whose veracity will be judged by none other than... noted skeptic, Professor Membrane! And this time, Dib's finally caught ZIM and will prove to the world once and for all that's he's a real alien threat! Unless, of course, GIR gets covered in bees, and mistaken for the infamous Beeboogoat, an undead goat made of bees. But why would that happen?||September 23, 2020|
|Quarterly #3||The holidays are upon us and we come bearing gifts! This Invader ZIM holiday special boasts THREE festive stories: The Ghosts of Fistmas pay ZIM a visit, a floating Santa-being vs. hive-mind aliens, and we peer into Professor Membrane's past to learn the origins of his anti-Santa ways. All that PLUS more bonus deranged winter fun!||December 30, 2020|
|Quarterly #4||ZIM hasn't come up with a new scheme in weeks - not because he's out of ideas, but because of the constant distractions. (Dib's endless hounding! Gir's endless nonsense! Minimoose's deeply, deeply judgmental stares!) Because everyone else is the problem, ZIM inserts himself in a sensory deprivation tank, where his genius brain will be free to concoct the ULTIMATE PLAN in undisturbed isolation. He emerges six weeks later to a world completely changed. Everyone has fallen victim to a digital self-improvement program that seems to be subliminally conditioning them. And to ZIM's horror, the delightful digital mascot for the program is a cute little alien named 'Zip' that looks extremely similar to ZIM's undisguised form."||March 17, 2021|
Matt Little from Comic Book Resources said, "Invader Zim #1 is a welcome return and an accessible jumping on point for anyone who has heard of it or is interested to learn more. It's an all-ages affair that is entertaining for any reader, as it doesn't speak down to its audience." Marcy Cook from The Mary Sue said, "If you liked the over-the-top nonsense of the show, you're going to enjoy the comic too. The art has that loose stylised look that's very Zim, with the distinctly limited muted colour pallet."
According to statistics from Diamond Comic Distributors, the first issue of the Invader Zim comic was the 17th best-selling comic book of July 2015, with approximately 60,000 units sold at North American comic shops in that month alone.
Facts of Doom
- It was stated that Dib and Gaz didn't have an official last name and "Membrane" was actually their father's first name. Yet in the "TruthShrieker" Issue 0, Dib's last name is confirmed to be "Membrane". If this is the case, it can be assumed that Gaz's last name is also Membrane.
- This is later concreted in Issue 5 when Lord Voxelrot referred to Dib as "Dib Membrane".
- Issue 8's plot is based off of the unaired episode "When Pants Ruled!".
- When asked about character copyrights from the TV series, colorist Fred Stressing remarked that Nickelodeon allowed all characters to be used in the comic series except for Invader Skoodge. However, in the context he stated this in it is possible that he was only joking.
- The comic is planned to have less pigs and more Minimoose than the TV show. They also plan to say the word "doom" as little as possible.
- There will be no "Invader Dib" issue (an issue showing a final confrontation between Zim and Dib) because that would end the series, and they plan on continuing the comic run for some time. Eric Trueheart has jokingly said that they can print nothing but blank pages if they did that, but he doesn't think that they'd sell very well. And with the announcement of the upcoming TV movie, chances of this issue happening are dampened even more.
- There are no plans to have Tak appear (yet). Like with Skoodge, this has fed speculation that she is being saved for the movie.
- There may be more mythology or world building stories in the future, but the main focus right now is to tell weird and funny Zim stories.
- The Invader Zim comic does not have scripted panels. During the story writing process, Jhonen Vasquez prefers to have it written in animation screenplay format (as if the animated TV cartoon was still being produced), then the screenplays are handed to the comic artists and they can write the panels however they want.
- The typical art style of the comics started to draw away from its first several issues, going from first trying to copy its TV series' art style into a more simple, flashy design as its normal art style. This could be due to some members of the comic crew leaving and new members joining and becoming big contributors to the art, most noticeably with the addition of Warren Wucinich.
- The majority of issues are standalone stories. However, to date there are several cases of two-part stories (issues 1 and 2, issues 29 and 30, issues 34 and 35, issues 42 and 43) and one four-part story (issues 22 through 25).
- Like the TV series, the comics have a very loose continuity, with several issues ending on major, seemingly permanent, events that are immediately ignored by the following issues.
- The Invader Zim Deluxe Hardcover edition is an Oni Press exclusive cover. It costs $65 and could only be purchased at Oni Press's booth at San Diego Comic Con 2017. It features a foil deboss and tip-in, and there was a limit of only 50 copies available per day. It did, however, also become available on Oni Press's retail site after Comic Con ended.
- Excluding the first issue, every issue whose number ends with a 1 or a 6 is a special oneshot issue illustrated by a guest artist whose style tends to be quite different from the series' standard. This pattern was eventually broken by Issue 46, for which this isn't the case.
- During the San Diego Comic Con 2020 Invader Zim panel, Aaron Alexovich and Eric Trueheart teased an upcoming Christmas-themed issue of the comic series which will contain several short stories that deal with things such as what happened to the Santa Suit after it was shot into space, and the origin of Professor Membrane's hatred of Santa Claus.