Check past ๐Ÿšจ KEY ISSUE ALERTS by tapping MENU then KEY ALERTS ๐ŸŽ For your convenience, utilize the eBay links provided on the app

Clicking on the eBay link and making a purchase may result in this site earning a commission from the eBay Partner Network.

Low
$20
Mid
$85
High
$215

Key Facts

2nd appearance and first cover of Gambit

1st chronological appearance of Gambit in-story / in-continuity

X-Men Annual #14 went on sale three weeks before this issue and is often considered the first cameo appearance of Gambit

This would imply that his appearance is brief though he appears in 15 panels throughout X-Men Annual #14 with at least 10 instances of dialogue

View more (3)

Tap cover and swipe left to view images where Gambit is the main or partial focus of the sequence in X-Men Annual #14

Uncanny X-Men #266 was written as if it were to be published prior to the annual, therefore #266 would be the first chronological appearance of Gambit in-story (or in-continuity)

CGC, the grading certification company for comic books, recognizes Uncanny X-Men #266 as the first full appearance of Gambit

Low
$8
Mid
$20
High
$85

Key Facts

2nd appearance of Groot in an original story, more specifically, a replica of Groot created by Xemnu

Marvel ⋅ 1991

Low
$1
Mid
$2
High
$10

Key Facts

2nd appearance of Deadpool

1st appearance of Weapon X, Garrison Kane

Marvel ⋅ 1982

Low
$2
Mid
$8
High
$25

Key Facts

2nd appearance of Rogue, tied with Uncanny X-Men #158

According to the solicitation catalogs from 1982, both Rom #31 and Uncanny X-Men #158 went on sale March 9th, 1982

Low
$5
Mid
$20
High
$80

Key Facts

Debut art on Captain Marvel title by Jim Starlin

Cameo of Thanos referring to himself as Masterlord

Begins story arc 'The Thanos War', Captain Marvel (1968) issues #25 thru #33

Low
$1
Mid
$2
High
$5

Key Facts

2nd appearance of Spider-Woman

Marvel ⋅ 1968

Low
$9
Mid
$25
High
$130

Key Facts

2nd appearance and origin of Vision, revealed Wonder Man's brain patterns are preserved in Vision's mind

Vision joins The Avengers

First meeting of Black Panther and Thor, Iron Man

Iconic final page depicts Vision crying with the text '...even an android can cry!'

Low
$80
Mid
$260
High
$850

Key Facts

2nd appearance of Curt Connors as the Lizard

Low
$30
Mid
$100
High
$300

Key Facts

1st appearance of Robbie Robertson, a mentor to Peter Parker at the Daily Bugle and a foil to J. Jonah Jameson

2nd full appearance and 1st cover of Kingpin

Low
$50
Mid
$150
High
$500

Key Facts

2nd appearance of Gwen Stacy

2nd appearance of Harry Osborne

Low
$40
Mid
$120
High
$450

Key Facts

2nd appearance of the Rhino

1st full appearance of Mary Jane Watson, final panel

Mary Jane Watson delivers her iconic line "Face it, Tigerโ€ฆyou just hit the jackpot!"

Low
$80
Mid
$200
High
$800

Key Facts

2nd appearance of Scorpion

Marvel ⋅ 1964

Low
$30
Mid
$95
High
$315

Key Facts

2nd appearance of Dormammu

2nd appearance of Clea

First battle of Doctor Strange versus Dormammu

Introduction of the Eye of Agamotto and the Cloak of Levitation

Low
$25
Mid
$75
High
$400

Key Facts

2nd appearance of Hawkeye

Low
$125
Mid
$480
High
$1.6k

Key Facts

2nd appearance of Green Goblin

Low
$310
Mid
$1k
High
$3.1k

Key Facts

2nd appearance of Dr. Octopus

1st appearance of Bennett Brant, later becomes Crime Master

Peter Parker uses a Spider Tracer for the first time to keep surveillance on Doctor Octopus

Low
$120
Mid
$400
High
$1.2k

Key Facts

2nd appearance of Black Widow

Origin of the Watcher

1st team appearance of the Prosilicans

Low
$120
Mid
$430
High
$1.2k

Key Facts

Origin of Doctor Strange, specifically the car accident that damaged his hands

Origin of Baron Mordo

2nd appearance of the Sandman

First mention of Dormammu

View more (1)

First mention of the Vishanti: Agamotto, Hoggoth, Oshtur

Low
$90
Mid
$290
High
$925

Key Facts

2nd appearance of Sgt. Nick Fury

2nd team appearance of the Howling Commandos

Marvel ⋅ 1963

Low
$145
Mid
$625
High
$3.2k

Key Facts

2nd appearance of Doctor Strange

1st appearance of Baron Mordo, an evil apprentice of the Ancient One

1st appearance of Asbestos Man

Low
$280
Mid
$1k
High
$6.2k

Key Facts

2nd appearance of Iron Man

Debut of Iron Man's 'Model 1' armor, colored gold

Low
$165
Mid
$560
High
$1.6k

Key Facts

1st full appearance of Odin

2nd appearance of Loki

2nd appearance of Balder

Low
$80
Mid
$250
High
$1.5k

Key Facts

2nd appearance of Ant-Man in costume

Low
$6.5k
Mid
$18.2k
High
$63k

Key Facts

3rd appearance of Namor the Sub-Mariner

2nd appearance and origin of the Human Torch

2nd appearance of American Ace

Marvel Mystery Comics previously titled Marvel Comics

Low
$3
Mid
$9
High
$30

Key Facts

2nd appearance of Sabretooth

Low
$2
Mid
$8
High
$25

Key Facts

2nd appearance of Deathlok

1st appearance of War-Wolf

Marvel ⋅ 1973

Low
$5
Mid
$18
High
$75

Key Facts

2nd appearance and origin of Brother Voodoo

Marvel ⋅ 1963

Low
$550
Mid
$1.6k
High
$5.9k

Key Facts

1st appearance of the Vanisher, a teleporter

2nd team appearance of the X-Men

2nd appearance of Cyclops, Marvel Girl, Iceman, Professor X, Angel, Beast

Timely ⋅ 1939

Low
$68k
Mid
$400k
High
$1.2M

Key Facts

1st appearance of the Human Torch, Jim Hammond

2nd appearance of Namor the Sub-Mariner - 8 pages of the 12-page story reprinted from Motion Picture Funnies Weekly #1

1st appearance of Dorma, Namor's cousin

1st appearance of Ka-Zar, David Rand

View more (9)

1st appearance of Angel, Thomas Halloway, a private detective and vigilante

1st appearance of the Masked Raider, Jim Gardley

1st comic book published by Timely, later becomes Marvel

Retitled Marvel Mystery Comics after this issue

80,000 copies were produced of the first printing with an October 1939 date on the cover

The second printing could be identified by the October 1939 date blacked out, replaced with November 1939

The first printing sold out within a week and was quickly reprinted at a quantity of 800,000, the same as Superman #1

Although published in October, the cover date was changed to have a longer on-sale period at newsstands

๐Ÿ’ฐ In March 2022, a 9.2 known as the Pay Copy due to publisher notations that tracked creator payouts sold for $2.42 million

Marvel ⋅ 1974

Low
$12
Mid
$40
High
$125

Key Facts

2nd appearance and origin of Iron Fist

1st appearance of Shou-Lao the Undying, a dragon from whom the Iron Fists challenge to obtain their powers

1st appearance of the Lei Kung the Thunderer, trainer of Iron Fists

1st appearance of Scythe, a mercenary

View more (1)

1st appearance of Fu-Hsi, the Serpent King

Low
$10
Mid
$30
High
$110

Key Facts

2nd appearance and origin of Man-Wolf

Low
$4.5k
Mid
$14.5k
High
$82k

Key Facts

2nd appearance of Spider-Man

1st appearance of J. Jonah Jameson

First meeting of Spider-Man and the Fantastic Four

1st appearance of Chameleon, Dmitri Smerdyakov, half-brother of Kraven the Hunter

View more (1)

[February 2022 - confirmed, Fred Hechinger cast as Chameleon in the Kraven movie]

Marvel ⋅ 1964

Low
$220
Mid
$880
High
$2.2k

Key Facts

2nd appearance of Daredevil

2nd appearance of Electro

First crossover of Matt Murdock and the Fantastic Four after the team hires him as their lawyer

Marvel ⋅ 1972

Low
$12
Mid
$40
High
$125

Key Facts

2nd appearance of Luke Cage

Death of Diamondback

1st appearance of Claire Temple, a night nurse

Low
$30
Mid
$100
High
$300

Key Facts

1st appearance of Man-Thing in a standard comic book, second overall appearance having been introduced in Savage Tales Magazine #1

Origin of Man-Thing

1st cover appearance of Bobbi Morse, full name and occupation as government agent revealed

Low
$1
Mid
$2
High
$8

Key Facts

2nd appearance of Bane

Azrael assumes the Batman mantle

๐Ÿ“– Knightfall Reading Order: next Batman #490

Marvel ⋅ 2004

Low
$5
Mid
$15
High
$65

Key Facts

2nd appearance of X-23

Low
$30
Mid
$90
High
$300

Key Facts

2nd appearance of Shang-Chi

1st appearance of Midnight Sun, a highly trained martial artist and master of stealth

Title becomes Master of Kung-Fu

As of December 1, 2023 there exists only 18 copies in 9.8 on the census compared to 129 copies for Shang Chi's first appearance in Special Marvel Edition #15

Key Facts

2nd appearance and origin of Harley Quinn, not in the mainstream universe

1st appearance of Bud and Lou in comics, Harley's pet hyenas

Low
$3
Mid
$10
High
$35

Key Facts

2nd appearance of Fin Fang Foom

Partial reprint of Strange Tales #89 along with new panels featuring Fin Fang Foom

Low
$1
Mid
$2
High
$5

Key Facts

2nd appearance of Amadeus Cho

Warbound advance toward Crown City and the Red King

Low
$3
Mid
$9
High
$25

Key Facts

2nd appearance of Venom

1st partial cover appearance of Venom

Low
$450
Mid
$1.3k
High
$4.5k

Key Facts

First team-up of two super-villains in the Marvel Universe, Doctor Doom and Sub-Mariner

2nd appearance of Doctor Doom

2nd appearance of the Sub-Mariner in the Silver Age

Marvel ⋅ 1968

Low
$12
Mid
$50
High
$140

Key Facts

1st cameo appearance of Ultron as the Crimson Cowl

New Masters of Evil roster led by Ultron: Whirlwind, Klaw, Melter, Radioactive Man

2nd appearance of Dane Whitman as The Black Knight

Low
$35
Mid
$150
High
$550

Key Facts

Classic battle of Captain America vs Iron Man

2nd appearance of Kraven the Hunter

Low
$8
Mid
$20
High
$80

Key Facts

First solo title and 2nd appearance of Miles Morales

1st appearance of the Ultimate Prowler, the uncle of Miles in the Ultimate Universe

1st appearance of Conrad Marcus (Markus), later merges with a sample of the Venom symbiote

1st appearance of Jefferson and Rio Morales, the parents of Miles

View more (1)

White polybag with red Spider-Man emblem

Low
$3
Mid
$9
High
$35

Key Facts

2nd appearance of Spider-Gwen

1st cameo appearance of Solus, the father of the Inheritors

First time Spider-Gwen, Silk and Spider-Woman appear together in the same scene although they do not all interact

1st cameo appearance of Supaidaman in U.S. comics

View more (4)

1st cameo appearance of a Cowboy Spider-Man, later named Web-Slinger

Many cameo appearances of Spider-Characters including: Iron Fist, Hulk, Human Torch, Kaine, Uncle Ben, Wolverine, Venom, Deadpool, 1969 cartoon version, Tarzan, Warlock and more

Official beginning of the Spider-Verse event

๐Ÿ“– Spider-Verse Reading Order: read The Amazing Spider-Man #9 and The Amazing Spider-Man #10 (2014 series)

2nd Print ⋅ Marvel ⋅ 2014

Low
$40
Mid
$120
High
$400

Key Facts

1st cover and 2nd cameo appearance of Ms. Marvel in costume

Second printing

Low
$2
Mid
$8
High
$20

Key Facts

2nd appearance and origin of Black Cat

Low
$315
Mid
$960
High
$3.3k

Key Facts

2nd team appearance of the X-Men that debuted in Giant-Size X-Men #1

2nd appearance of Storm, Nightcrawler, Colossus and Thunderbird

4th appearance of Wolverine

1st appearance of Dragonfly

View more (3)

Some resources refer to this as the 2nd full appearance of Wolverine and Hulk #182 a 2nd cameo appearance

Beginning of Chris Claremont's 16-year consecutive run on the title, ending with Uncanny X-Men #279

First new X-Men story following five years of reprints

Adjust Your Filters To See More Comics!

By default Key Collector searches for Standard Cover Key Issues.

Adjust the "Variants" search filter above for additional content:

  • Variant Covers ([[totalVariants]])

At Key Collector, our primary focus is on unearthing those rare Standard Cover Key Issues for you. However, the world of comic collectibles is vast and varied. We want to make sure you have the tools to explore it all!