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Catwoman and Vampirella team-up to fight Pantha and Penguin

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Crossover of Archie and the Punisher

Marvel published the same story with alternate cover art titled The Punisher Meets Archie

Key Facts

84-page one-shot special by the creators of Batman: The Long Halloween featuring an early Batman vs. Scarecrow story

Characters seen in a costume party sequence: Alice in Wonderland, Bill Watterson's Hobbes, Phoney Bone, Cerebus the Aardvark, Evan Dorkin's Milk & Cheese

Embossed, foil cover

1st appearance of Jillian Maxwell, a romantic interest of Bruce Wayne

Variant ⋅ DC ⋅ 2017

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Variant cover art by Artgerm

Crossover series with Boom Studios

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One-shot crossover of CreeD and the Teenage Mutant Ninja Turtles

Dynamite Entertainment ⋅ 2006

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Crossover of Marvel Zombies, final page teaser lead-in to the Army of Darkness vs Marvel Zombies limited series

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Co-published by Marvel and IDW

Crossover of the Avengers and Transformers versus Dr. Doom and the Decepticons

Key Facts

Five-issue limited series that pits the Power Rangers against Godzilla

Marvel ⋅ 1996

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One-shot battle of Marvel's Hulk vs Image's Pitt

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Crossover of Green Lantern (DC) and Planet of the Apes (BOOM! Studios)

Marvel ⋅ 2007

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One-shot crossover between Marvel and Top Cow

Battle of Hulk, Darkness, Ghost Rider, Witchblade

GraphXPress ⋅ 1989

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Cover, interior and pin-up partial team appearance of the Teenage Mutant Ninja Turtles, illustrated by Eastman & Laird

Cover interior and pin-up appearance of Panda Khan, illustrated by Dave Garcia

Interior appearance of Stan Sakai's Nilson Groundthumper, often misidentified as Usagi Yojimbo

Referred to as a "jam" issue with multiple prominent 1980s indie creators collaborating on this issue

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Battle of Batman vs the Xenomorphs

Two-issue limited series co-published by DC and Dark Horse

Key Facts

Team-up of Batman and Judge Dredd versus Judge Death and Scarecrow

64-page one-shot co-published by DC Comics and Fleetway

The first of four Batman/Dredd stories

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First team-up of Batman and Hellboy to search for the Golden Age Starman

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Marvel and DC characters implied on the cover

Dynamite Entertainment ⋅ 2015

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Dark Horse and Dynamite crossover featuring Aliens and Vampirella

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1st appearance of Nemesis, the being who created the Infinity Gems

Crossover event between Marvel and Malibu

1st appearance of the 7th Infinity Gem, Ego

Kitchen Sink Press ⋅ 1997

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Crossover appearance by Maxx

Marvel ⋅ 2006

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Guest appearance of Invincible in the Marvel Universe

During a battle, Invincible is thrown out of his universe and into the Marvel Universe

Copies ordered by retailers: 26,200

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Cover art by Michael Turner

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Crossover appearance of Cerebus from publisher Aardvark-Vanaheim

1st appearance of Renet, a human who stole the Time Scepter from Lord Simultaneous

1st appearance of Lord Simultaneous, a Time Master

1st appearance of Savanti Romero, a demon and apprentice Time Master

Thor #7

Non-Key

Marvel ⋅ 2020

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1st appearance of Adam Thor, an older man who briefly wields Mjolnir

As Beta Ray Bill and Thor walk through Asgard, they pass a number of weapons. - one is Valofax, the sword from God Country and another is Atomahawk, both weapons from Image titles, written by Donny Cates

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Part one of a three-issue series that spawned two follow-up series

New England Comics Press ⋅ 2012

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Team-up of Invincible and the Tick

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Variant sketch cover art by Billy Tucci, creator of Shi

Antiquities edition, limited to 499 signed and numbered copies

Crusade/Marvel publisher crossover

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Ashcan edition

1:4 ⋅ WildStorm ⋅ 2000

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Variant cover art by J. Scott Campbell

Dark Horse ⋅ 1997

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Part one of a two part limited series that teams up Lobo and Mask

Dark Horse and DC crossover

Valiant ⋅ 1992

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Cover appearance of Sin City's Marv

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Batman/Spawn crossover distributed by Image, created by Todd McFarlane and Frank Miller

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Two-part crossover of Sabrina the Teenage Witch appearing with Sonic the Hedgehog

Marvel ⋅ 1995

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Marvel and Malibu publisher crossover

Venom is depicted with bat-like wings and claims to be a dark god

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Official crossover appearance by Image characters: Spawn, Maxx, Savage Dragon, Shadowhawk and others

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