#1

Sep 1st, 1963

1st Appearance of The X-Men (Angel, Beast, Cyclops, Iceman, Marvel Girl, Professor X). 1st Magneto Appearance

#1-FACS

Sep 1st, 2019

Facsimile Edition

#1-FACS

Jun 1st, 2023

2023 Facsimile Edition New Printing

#2

Nov 1st, 1963

1st Appearance of the Vanisher

#3

Jan 1st, 1964

1st Appearance of the Blob (Frederick J. Dukes)

#4

Mar 1st, 1964

1st Appearance of Quicksilver (Pietro Maximoff), Scarlet Witch (Wanda Maximoff), Toad (Mortimer Toynbee) and Mastermind (Jason Wyngarde), Brotherhood of Evil Mutants Appearance

#4-FACS

Jan 1st, 2021

Facsimile Edition

#4-MLEGD

May 1st, 2002

Marvel Legends Action Figure Edition

#5

May 1st, 1964

1st Appearance of John and Elaine Grey

#5-MLEGD

May 1st, 2005

Marvel Legends Action Figure Edition

#6

Jul 1st, 1964

Early Sub-Mariner (Prince Namor) Appearance

#7

Sep 1st, 1964

1st Appearance of Cerebro

#8

Nov 1st, 1964

1st Appearance of Unus the Untouchable (Gunther Bain)

#9

Jan 1st, 1965

1st Meeting of The X-Men & Avengers, 1st Appearance of Lucifer

#10

Mar 1st, 1965

1st Appearance of Silver Age Ka-Zar and Zabu. 1st Appearance of Maa-Gor & Swamp Men

#11

May 1st, 1965

1st Appearance of the Stranger (Cosmic Being)

#12

Jul 1st, 1965

Origin of Professor X, 1st Appearance of The Juggernaut (Cain Marko)

#13

Sep 1st, 1965

2nd Appearance of Juggernaut, Human Torch Appearance.

#13-MLEGD

Feb 1st, 2004

Marvel Legends Series 6 Edition

#14

Nov 1st, 1965

1st Appearance of the Sentinels.

#15

Dec 1st, 1965

1st Appearance of Master Mold - Origin of the Beast.

#16

Jan 1st, 1966

Master Mold Appearance

#17

Feb 1st, 1966

Magneto Appearance

#18

Mar 1st, 1966

Magneto Appearance

#18-MLEGD

Dec 1st, 2004

Marvel Legends reprint

#19

Apr 1st, 1966

1st Appearance and Origin of Mimic (Calvin Rankin)

#20

May 1st, 1966

Lucifer Appearance, 1st Appearance of Supreme One

#21

Jun 1st, 1966

1st Appearance of Dominus, Lucifer Appearance

#22

Jul 1st, 1966

Count Nefaria Appearance

#23

Aug 1st, 1966

Porcupine, Eel, Unicorn, Plantman, Count Nefaria & Scarecrow Appearance

#24

Sep 1st, 1966

1st Appearance & Origin of The Locust (Dr. August Hopper)

#25

Oct 1st, 1966

1st Appearance of El Tigre (Juan Meroz)

#26

Nov 1st, 1966

2nd Appearance of El Tigre

#27

Dec 1st, 1966

Mimic Appearance & Joins X-Men Team

#28

Jan 1st, 1967

1st Appearance of Banshee (Sean Cassidy), 1st Appearance of The Ogre (Brian Dunlap)

#28-JCPEN

May 21st, 2025

1994 Marvel Vintage Pack Edition.

#29

Feb 1st, 1967

Mimic leaves X-Men Team.

#30

Mar 1st, 1967

Warlock aka; (Maha Yogi) Appearance

#31

Apr 1st, 1967

1st Appearance of Cobalt Man (Ralphie Roberts) and Imitated Marvel Girl (Candace Southern)

#32

May 1st, 1967

Juggernaut Appearance

#33

Jun 1st, 1967

Dr. Strange & Juggernaut Appearance

#34

Jul 1st, 1967

Mole Man & Tyrannus Appearance

#35

Aug 1st, 1967

Spider-Man Appearance & Cover

#36

Sep 1st, 1967

1st Full Mekano Appearance

#37

Oct 1st, 1967

1st Appearance of the Mutant Master. Changeling, Blob, Vanisher, Mastermind & Unus Appearance

#38

Nov 1st, 1967

Blob, Vanisher, Changeling & Mutant-Master Appearance, Origins of X-Men backup stories begin

#39

Dec 1st, 1967

Debut of New X-Men Uniforms

#40

Jan 1st, 1968

1st Appearance of Victor Frankenstein & his Android Monster in Marvel Comics

#41

Feb 1st, 1968

1st Appearance & Origin of Grotesk.

#42

Mar 1st, 1968

Death of Professor X

#43

Apr 1st, 1968

Classic John Buscema Magneto Cover

#44

May 1st, 1968

1st Silver Age Appearance of Red Raven.

#45

Jun 1st, 1968

Avengers Crossover story

#46

Jul 1st, 1968

Juggernaut Appearance

#47

Aug 1st, 1968

Maha Yogi Appearance

#48

Sep 1st, 1968

1st Appearance of Computo, John Romita Cover

#49

Oct 1st, 1968

1st Appearance of Polaris, 1st Jim Steranko X-Men Cover

#50

Nov 1st, 1968

2nd Appearance of Polaris (Lorna Dane) - Classic Steranko Cover

#51

Dec 1st, 1968

Classic Steranko Cover, Scott Summers Appearance as Erik the Red (Cameo), Magneto & Polaris Appearance

#52

Jan 1st, 1969

1st full Appearance of Erik the Red., Magneto, Mesmero and Polaris Appearance, Marie Severin Cover

#53

Feb 1st, 1969

1st Barry Windsor-Smith Artwork for Marvel and X-Men Cover, Blastaar Appearance

#54

Mar 1st, 1969

1st Appearance of Alex Summers (later becomes Havok). John Romita & Barry Smith Cover Art

#55

Apr 1st, 1969

Alex Summers Appearance & finds out he has Mutant Powers, Living Pharoah Appearance, Classic Barry Smith Cover

#56

May 1st, 1969

1st Neal Adams Cover & Art in X-Men title, Alex Summers Mutant powers increasing in strength, 1st Appearance of Living Monolith

#57

Jun 1st, 1969

1st Appearance of Larry Trask

#58

Jul 1st, 1969

1st Appearance of Havok (Alex Summers)

#59

Aug 1st, 1969

1st Appearance of Karl Lykos, Neal Adams Art & Cover, Sentinels, Quicksilver, Scarlet Witch & Toad Appearance, Chris Claremont plot assist

#60

Sep 1st, 1969

1st Appearance of Sauron (Karl Lykos)

#60-JCPEN

May 21st, 2025

1993 Marvel Vintage Pack Edition

#61

Oct 1st, 1969

2nd Appearance of Sauron, Neal Adams Art & Cover

#61-JCPEN

May 21st, 2025

1993 Marvel Vintage Pack Edition

#62

Nov 1st, 1969

Ka-Zar Appearance

#62-JCPEN

May 21st, 2025

1994 Marvel Vintage Pack Edition

#63

Dec 1st, 1969

Magneto & Ka-Zar Appearance, Final Silver Age Issue

#63-JCPEN

May 21st, 2025

1994 Marvel Vintage Pack Edition

#64

Jan 1st, 1970

1st Appearance of Sunfire (Shiro Yoshida), First Bronze Age Issue

#65

Feb 1st, 1970

Return of Professor X, 1st Appearance of the Z'nox

#66

Mar 1st, 1970

First and Only Appearance of Hulk in X-Men Title, Last new story with original X-Men team

#67

Dec 1st, 1970

This starts the reprints of issues 12-45.

#68

Feb 1st, 1971

#69

Apr 1st, 1971

#70

Jun 1st, 1971

#71

Aug 1st, 1971

#72

Oct 1st, 1971

#73

Dec 1st, 1971

#74

Feb 1st, 1972

#75

May 21st, 2025

#76

May 21st, 2025

#77

Aug 1st, 1972

#78

Oct 1st, 1972

#79

May 21st, 2025

#80

Feb 1st, 1973

#81

Apr 1st, 1973

#82

Jun 1st, 1973

#83

Aug 1st, 1973

#84

Oct 1st, 1973

#85

Dec 1st, 1973

#86

Feb 1st, 1974

#87

Apr 1st, 1974

#88

Jun 1st, 1974

#89

Aug 1st, 1974

#90

Oct 1st, 1974

#91

Dec 1st, 1974

#92

Feb 1st, 1975

#92-MJ

Feb 1st, 1975

Mark Jeweler Insert

#93

Apr 1st, 1975

#94

Aug 1st, 1975

2nd Appearance of Nightcrawler, Storm, Thunderbird, Colossus - 4th Appearance of Wolverine

#94-AC

Dec 1st, 2019

Athens Con 2019 - Sketch Reprint. 1000 copies

#94-ACE

May 21st, 2025

Wizard ACE Edition

#95

Oct 1st, 1975

Death of Thunderbird (John Proudstar). 3rd Appearance of New X-Men Team

#96

Dec 1st, 1975

1st Appearance of Moira MacTaggert

#96-MLEGD

Aug 1st, 2004

Marvel Legends Series 8 Reprint Edition

#97

Feb 1st, 1976

1st Appearance of Eric the Red (Daven Shakari), Shi'ar (Race). 1st Cameo Appearance of Emperor D'Ken Neramani. Lorna Dane is revealed as (Polaris).

#97-MLEGD

May 21st, 2025

Marvel Legends Reprint Edition (Packaged w Havok Action Figure)

#98

Apr 1st, 1976

Sentinels Appearance

#98B

May 21st, 2025

30 Cent Variant (Limited Distribution)

#99

Jun 1st, 1976

Cameo Appearance of Black Tom Cassidy

#99B

Jun 1st, 1976

30 Cent Variant (Limited Distribution)

#100

Aug 1st, 1976

Old X-Men vs. New X-Men - 1st time Colossus & Wolverine utilize Fastball Special maneuver

#100B

Aug 1st, 1976

30 Cent Variant (Limited Distribution)

#101

Oct 1st, 1976

1st Appearance of Jean Grey as the Phoenix

#101-FACS

Sep 1st, 2023

2023 Facsimile Edition

#101-ILLUM

Sep 1st, 2023

Comics Illuminati Exclusive Nathan Szerdy Green Trade Dress Variant

#101-ILLUM-B

Sep 1st, 2023

2023 Facsimile - Comics Illuminati Exclusive Nathan Szerdy Green Virgin Variant

#101-ILLUM-C

Sep 1st, 2023

2023 Facsimile - Comics Illuminati Exclusive Dave Cockrum Foil Variant

#101-MLEGD

Feb 1st, 2004

Marvel Legends Series 6 Edition

#102

Dec 1st, 1976

1st Battle Between Colossus and Juggernaut - Origin of Storm

#102-MLEGD

May 21st, 2025

Marvel Legends Colossus/Juggernaut Edition

#103

Feb 1st, 1977

Wolverine is called Logan for the first time. 2nd Cameo of Emperor D'Ken Neramani (on screen).

#104

Apr 1st, 1977

1st Appearance of The Starjammers, Corsair (Christopher Summers). Muir Island and the Lockheed SR-71 Blackbird. 1st Full Appearance of Princess Lilandra Neramani.

#105

Jun 1st, 1977

Firelord & Princess Lilandra Appearance.

#105B

Jun 1st, 1977

Price Variant (35 Cents)

#106

Aug 1st, 1977

1st Appearance of the Evil Charles Xavier (Entity).

#106B

Aug 1st, 1977

Price Variant (35 Cents). 1st Appearance of the Evil Charles Xavier (Entity).

#107

Oct 1st, 1977

1st Appearance of the Imperial Guard, Emperor D'Ken Neramani and The M'kraan Crystal (Nexus of all Realities)

#107B

Oct 1st, 1977

1ST APPEARANCE OF THE IMPERIAL GUARD, EMPEROR D'KEN NERAMANI AND THE M'KRAAN CRYSTAL (NEXUS OF ALL REALITIES)

#108

Dec 1st, 1977

John Byrne art starts, Corsair revealed to be Cyclops Father. 1st Appearance of Jahf and Modt (first and second Guardians of the M'kraan Crystal).

#109

Feb 1st, 1978

1st Appearance of Weapon Alpha (James Hudson) Aka: Vindicator

#110

Apr 1st, 1978

Warhawk Appearance, Dave Cockrum Cover

#111

Jun 1st, 1978

Mesmero Appearance

#112

Aug 1st, 1978

Wolverine's Healing Factor and Unbreakable Bones are mentioned for the first time. Magneto Appearance.

#113

Sep 1st, 1978

Magneto Appearance

#114

Oct 1st, 1978

#115

Nov 1st, 1978

Sauron Appearance

#116

Dec 1st, 1978

First Mention of Wolverine's Healing Factor and Unbreakable Bones.

#117

Jan 1st, 1979

1st Appearance of The Shadow King (Multiversal Nightmare Being) Amahl Farouk. Professor X Origin Retold.

#117-MLEGD

May 21st, 2025

Marvel Legends reprint/Professor X insert.

#118

Feb 1st, 1979

1st Appearance of Mariko Yashida. Sunfire, Misty Knight & Collen Wing Appearance

#119

Mar 1st, 1979

Moses Magnum, Colleen WIng & Misty Knight Appearance. 1st Cameo Appearance of Mutant X (in shadow only).

#120

Apr 1st, 1979

1st Cameo Appearance of Alpha Flight

#121

May 1st, 1979

1st Full Appearance of Alpha Flight

#122

Jun 1st, 1979

Origin of Colossus full name revealed, First Jason Wyngarde Appearance As Mastermind

#122B

Jun 1st, 1979

Origin of Colossus full name revealed, First Jason Wyngarde Appearance As Mastermind

#123

Jul 1st, 1979

#123B

Jul 1st, 1979

Spider-Man, Arcade Appearance

#124

Aug 1st, 1979

1st Appearance of Proletarian (Colossus is brainwashed into a Soviet loyalist).

#124B

Aug 1st, 1979

1st Appearance of Proletarian (Colossus is brainwashed into a Soviet loyalist).

#125

Sep 1st, 1979

1st Full Appearance of Mutant X (powerful mutant with reality warping abilities).

#125B

Sep 1st, 1979

1st Full Appearance of Mutant X (powerful mutant with reality warping abilities).

#126

Oct 1st, 1979

Mutant X revealed as Proteus

#126B

Oct 1st, 1979

Mutant X revealed as Proteus

#127

Nov 1st, 1979

Proteus Appearance

#127B

Nov 1st, 1979

Proteus Appearance

#128

Dec 1st, 1979

Apparent Death of Proteus

#128B

Dec 1st, 1979

Apparent Death of Proteus

#129

Jan 1st, 1980

1st Appearance of Kitty Pryde - 1st Appearance of the White Queen (Emma Frost)

#129B

Jan 1st, 1980

1st Appearance of Kitty Pryde - 1st Appearance of the White Queen (Emma Frost)

#129-FACS

Dec 1st, 2023

2023 Facsimile Edition

#129-TOYB

Jul 1st, 2003

Toy Biz Reprint

#130

Feb 1st, 1980

1st Appearance of Dazzler (Alison Blaire) - 2nd Appearance of Emma Frost - 2nd Appearance of Kitty Pryde

#130B

Feb 1st, 1980

1st Appearance of Dazzler (Alison Blaire) - 2nd Appearance of Emma Frost - 2nd Appearance of Kitty Pryde

#131

Mar 1st, 1980

1st Appearance of Hell Fire Knights (operatives) - 2nd Appearance of Dazzler - 1st White Queen Cover

#131B

Mar 1st, 1980

1st Appearance of Hell Fire Knights (operatives) - 2nd Appearance of Dazzler - 1st White Queen Cover

#132

Apr 1st, 1980

#132B

Apr 1st, 1980

Jason Wyngarde revealed to be Mastermind

#133

May 1st, 1980

Hellfire Club vs Wolverine

#133B

May 1st, 1980

Hellfire Club vs Wolverine

#133C

May 21st, 2025

(2006) Marvel Grow Toy Edition

#133-TOYB

Aug 1st, 2002

Toybiz Variant Sold with Wolverine figurine.

#134

Jun 1st, 1980

Phoenix (Jean Grey) Becomes Dark Phoenix

#134B

Jun 1st, 1980

Phoenix Becomes Dark Phoenix

#135

Jul 1st, 1980

Fantastic Four, Silver Surfer, Spider-Man & Dr. Strange Appearance

#135B

Jul 1st, 1980

Fantastic Four, Silver Surfer, Spider-Man & Dr. Strange Appearance

#136

Aug 1st, 1980

#136B

Aug 1st, 1980

#136C

May 21st, 2025

Marvel Universe Edition

#137

Sep 1st, 1980

1st Appearance of Raksor - 1st Appearance of Bel-Dann - Dark Phoenix dies

#137B

Sep 1st, 1980

1st Appearance of Raksor - 1st Appearance of Bel-Dann - Dark Phoenix dies

#137-FACS

Sep 1st, 2019

Facsimile Edition

#138

Oct 1st, 1980

Cyclops Leaves X-Men team

#138B

Oct 1st, 1980

Cyclops leaves team

#139

Nov 1st, 1980

Kitty Pryde Joins the X-men - 1st Appearance Heather McNeil Hudson - Wolverine debuts New Uniform

#139B

Nov 1st, 1980

Kitty Pryde Joins the X-men - 1st Appearance Heather McNeil Hudson - Wolverine debuts New Uniform

#140

Dec 1st, 1980

Alpha Flight Appearance

#140B

Dec 1st, 1980

Alpha Flight Appearance.

#141

Jan 1st, 1981

1st Appearance's of Future X-Men, Rachel Summers, Avalanche, Destiny & Pyro Appearance

#141B

Jan 1st, 1981

1st Appearance's of Future X-Men, Rachel Summers, Avalanche, Destiny & Pyro Appearance

#141-FACS

Nov 1st, 2023

2023 Facsimile Edition John Byrne

#141-FACS-B

Nov 1st, 2023

2023 Facsimile Edition John Byrne Foil Variant

#141-MLEGD

May 21st, 2025

Marvel Legends Edition