$20 Keys

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Marvel Aug 1984

Uncanny X-Men #184

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1st appearance of Forge, Daniel Lone Eagle, a mutant with the ability to comprehend and build nearly anything technological
1st appearance of Naze, a Cheyenne mystic and mentor to Forge, later revealed to be the Adversary
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1st team appearance of the new Agents of Atlas, a superhero team of Asian descent: Shang Chi, Jimmy Woo, Amadeus Cho, Crescent, Io, Luna Snow, Aero, Silk, Sword Master and Wave
1st appearance of Luna Snow
1st appearance of Crescent & Io
1st appearance of Aero
1st appearance of Wave, a female Filipino superhero
1st cover appearance of Sword Master, not in the story
DC Jan 1993 Vol 2

Superman #75

Polybagged
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Death of Superman
Death of Doomsday
Distributed in a black polybag emblazoned with a bloody Superman logo - inside of the bag was a black armband and an obituary
Marvel Feb 2008

Amazing Spider-Man #546

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1st full appearance of Mr. Negative
1st appearance of the second Jackpot
1st cameo appearance of Freak, prior to receiving powers
[November 2024 - the rumored and unofficial title of the fourth Spider-Man movie 'Brand New Day' shares its name with this story arc but may not have any other relation to it / March 2025 - confirmed / August 2025 - a set photo from the Spider-Man movie shows a vehicle with a symbol that appears to be Mr. Negative’s gang, the Inner Demons]
Marvel Feb 1986

Daredevil #227

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Kingpin discovers Daredevil's identity
Born Again part one begins in #227 and concludes in Daredevil #233
Won the Kirby Award in 1986 for Best Single Issue
Marvel Aug 1987

SilverHawks #1

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1st team appearance of the Silverhawks in comic books
[July 2021 - the company behind the show The Toys That Made Us has plans to “revive” the Silverhawks animated series]
Marvel Mar 1988

Web of Spider-Man #36

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1st appearance of Tombstone, a crime boss
[May 2024 - a good spec pick for Spider-Man Noir TV series especially if the show goes with a muted, moody color tone
[September 2025 - Marvin Jones III will portray Tombstone in Brand New Day]
Image Mar 1993

Spawn #9

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1st appearance of Angela
later acquired by Marvel as Thor's half sister
1st appearance of Medieval Spawn
1st appearance of Cogliostro
Cover inspired by Wonder Woman #72
DC Jan 1994 Vol 3

Green Lantern #48

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1st cameo appearance of Kyle Rayner, final page, later becomes the third Green Lantern
1st cameo appearance of Alexandra DeWitt, Rayner's girlfriend who is brutally murdered in the controversial issue Green Lantern #54
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1st team appearance of the Outsiders: Batman, Black Lightning, Halo, Geoforce, Katana and Metamorpho
1st appearance of Katana, a Japanese martial artist
1st appearance of Geoforce, has the ability to manipulate Earth's gravity
1st appearance of Halo, has the ability to create auras of light with different effects
DC Jun 1987

Batman #408

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Reintroduction and new origin of Jason Todd after Crisis on Infinite Earths reset the DC mainstream universe
1st appearance of Ma Gunn, the headmistress of a school that trains young boys to be criminals
Marvel Nov 1998 Vol 3

Black Panther #1

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1st team appearance of the Dora Milaje, Wakanda's special forces: Okoye and Nakia
Nakia later becomes Malice
1st appearance of Zuri, an elder of Wakanda
Marvel Mar 1991

Amazing Spider-Man #345

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Cletus Kasady becomes infected by the Venom symbiote, later becomes Carnage
[March 2026 - a glimpse of Spider-Man battling Boomerang in the Brand New Day trailer was inspired by this cover - tap cover and swipe to view screenshot]
Marvel Nov 2011 Vol 6

Ghost Rider #1

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1st appearance of the third Ghost Rider, a Mexican-American woman named Alejandra Jones
Preview of Jones in Ghost Rider #0.1
Copies ordered by retailers: 41,308
Marvel Aug 1983

Alpha Flight #1

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1st appearance of Puck, a superb fighter with no mutant powers
1st appearance of Marrina, wife of Namor
1st appearance of Tundra, a member of the Great Beasts
1st appearance of Madison Jeffries
1st cameo appearance of Wild Child
1st cameo team appearance of Gamma Flight, a team training to rise the ranks through Beta Flight to Alpha Flight
Marvel Oct 1987

Alpha Flight #51

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First full issue with interior artwork by Jim Lee at Marvel Comics
Lee provided an illustration for The Official Handbook of the Marvel Universe: Book of the Dead Deluxe Edition (August 1987)
Prior to aforementioned issues, Jim Lee inked 'Solson Christmas Special Featuring Samurai Santa #1' (December 1986)
Milestone May 1993

Icon #1

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1st appearance of Icon, an alien who crash-landed on earth and took the form of a black child
1st appearance of Rocket, the first teen mother depicted in DC Comics
First preview of Static, a 3-page sneak peek
Marvel Jul 1991

Infinity Gauntlet #1

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"Infinity Gauntlet" Part 1
A popular six-issue limited series that effects the entire Marvel Universe
Thanos eliminates half of the world's population using the Infinity Gauntlet to impress the cosmic entity, Death
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1st appearance of Toyo Harada, the Lex Luthor of the Valiant Universe
Introduction of the Harbinger Foundation - a corporation that recruits evolved humans with special abilities

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