$10 Keys

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First one-on-one battle of the Hulk vs She-Hulk
Earlier issues, The Incredible Hulk #321 and #322 depicted a fight but Bruce Banner was separated from the body of the Hulk and other characters were engaged in the battle
Marvel Jul 1992

Web of Spider-Man #90

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Anniversary issue celebrating 30 years of Spider-Man
Interior gatefold poster of Spider-Man 2099 published one month before the August 1992 preview in The Amazing Spider-Man #365
Marvel Aug 2004 Vol 2

Amazing Fantasy #1

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1st appearance of Arana, the Spanish word for Spider and codename of Anya Corazon
1st team appearance of the Sisterhood of the Wasp
Marvel Jun 2005 Vol 2

Amazing Fantasy #7

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1st appearance of the new Scorpion, Carmilla Black
1st appearance of Monica Rapaccini, Scientist Supreme of A.I.M. and mother of Carmilla
[January 2020 - confirmed character in the M.O.D.O.K. animated series]
Copies purchased by retailers: 21,798
DC Nov 1986

Legends #1

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1st appearance of Amanda Waller, director of the Suicide Squad
1st appearance of Brimstone
[January 2023 - a spin-off of Peacemaker with Viola Davis as Amanda Waller is planned]
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Origin of Wolverine, specifically the first time he is referred to as Weapon X in the chronological order of the story
Though the character introduced in Incredible Hulk #180 (1974) was named The Wolverine aka Weapon X, an origin story hadn't been developed yet
One enduring rumor was that he was initially meant to be the actual animal, evolved with the assistance from the High Evolutionary but this was dispelled by Len Wein, the writer who is credited for creating the character
Marvel Sep 1986

Web of Spider-Man #18

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1st cameo appearance of Eddie Brock, hands only, pushing Peter Parker into the path of an oncoming train
The hands that push Peter Parker in this panel were intended to be those of a woman who lost her family in an accident, indirectly caused by Spider-Man but eventually Eddie became the main antagonist in the symbiote suit
This scene is retold from Brock's perspective in The Amazing Spider-Man #388
Valiant Nov 1992

Eternal Warrior #4

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1st cameo appearance of Bloodshot
1st appearance of the Immortal Enemy, the monstrous nemesis of the Eternal Warrior and the Geomancers
Marvel Aug 1984

Power Pack #1

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1st team appearance of Power Pack: Gee (Alex Power), Lightspeed (Julie Power), Mass Master (Jack Power), Energizer (Katie Power)
First written work in the comic book industry by Louise Simonson
Marvel Oct 2014 Vol 3

Amazing Spider-Man #5

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2nd appearance of Silk and full cover appearance
1st appearance of Goblin King, Phil Urich, formerly Goblin Knight
📖 Spider-Verse Reading Order: read The Amazing Spider-Man #5, then Free Comic Book Day 2014 - Guardians of the Galaxy
Marvel Mar 2014 Vol 7

Moon Knight #1

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Marc Spector assumes the moniker of Mr. Knight
1st appearance of Ryan Trent, later becomes the second Black Spectre
⚠️ Debatable Firsts: some collectors consider Secret Avengers #19 the introduction of the Mr. Knight persona but it is only the debut of a similar costume design and not an identity
Marvel Feb 1990

New Mutants #86

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1st cameo appearance of Cable - Rob Liefeld confirms this is not a teaser but an in-story appearance
1st cameo appearance of Stryfe
1st cameo team appearance of the Mutant Liberation Front
Marvel Mar 2009

Dark Avengers #1

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1st full appearance of the Dark Avengers: Norman Osborn as Iron Patriot, Noh-Varr as Captain Marvel, Daken as Wolverine, Mac Gargan/Venom as Spider-Man, Bullseye as Hawkeye, Moonstone as Ms. Marvel, Sentry and Ares
Dark Avengers made a partial team cameo in New Avengers #49
First mention of H.A.M.M.E.R., the government organization that replaces S.H.I.E.L.D. under the leadership of Norman Osborn
Dark Horse Comics Jun 2006

Star Wars: Legacy #0

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1st cover appearance of Darth Talon, also appears on the cover of Star Wars Legacy #1 but not in-story
Promotional issue profiling new characters: Cade Skywalker, Kol Skywalker, Deliah Blue, Jariah Syn, Shado and Astraal Vao, Rasi Tuum, Wolf Sazen, Darth Talon, Darth Nihl, Darth Krayt, Darth Wyyrlok, Darth Maladi, Darth Stryfe, Imperial Knights, Roan and Marasiah Fel, Morlish Veed, Nyna Calixte, Konrad Rus
Marvel Jan 2015

Superior Iron Man #1

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1st full appearance of Superior Iron Man, Iron Man's 'Endo-Sym' armor, comprised of liquid smart-metal, inspired by Klyntar symbiotes - glimpsed in Avengers #32 (2014)
1st appearance of Teen Abomination, Happy Hogan's son exposed to Gamma radiation
Debut of the first A.I. Tony Stark, his back-up consciousness operating an empty suit of armor
Marvel Nov 1992

Spider-Man 2099 #1

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1st appearance and origin of Spider-Man 2099
5-page preview in Amazing Spider-Man #365 and an advertisement in Web of Spider-Man #90
⚠️ Debatable Firsts: many sources cite Amazing Spider-Man #365 as the first appearance of Spider-Man 2099 despite text on the cover of the issue that refers to it as a five-page preview promoting Spider-Man 2099 #1
Image Jul 1992

Youngblood #2

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1st appearance of Prophet
1st appearance of Shadowhawk
[May 2020 - the writer of Arrow has been hired to develop Prophet into a TV series]
[October 2021 - Jake Gyllenhaal to star as John Prophet and Sam Hargrave to direct the feature film / October 2022 - Kurt Johnstad (Frank Miller’s 300) to write screenplay]
Marvel Feb 1986

X-Factor #1

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1st team appearance of X-Factor, the original X-Men: Cyclops, Jean Grey, Beast, Iceman, Angel
1st appearance of Cameron Hodge, a human who passionately hated mutants
1st appearance of Rusty Collins, a mutant with the ability to manipulate fire
[January 2026 - an X-Factor project is rumored to be in development at Marvel Studios]

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