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New Mutants #13
Marvel
•
1984
•
Vol. 1
1st appearance of Doug Ramsey, later becomes Cypher
New X-Men #134
Marvel
•
2003
•
Vol. 1
1st appearance of Kid Omega
1st appearance and death of Jumbo Carnation
1st appearance of Kid Omega
1st appearance and death of Jumbo Carnation
New Mutants #5
Marvel
•
2003
•
Vol. 2
1st appearance of Elixir, a mutant capable of restoring or destroying life
1st appearance of Elixir, a mutant capable of restoring or destroying life
All-New X-Men #1
Marvel
•
2012
•
Vol. 1
1st appearance of Tempus aka Eva Bell, a mutant who can temporarily stop time, code name revealed in Uncanny X-Men #1
1st appearance of Triage, a mutant with healing abilities, code name given in Uncanny X-Men #4
1st appearance of Tempus aka Eva Bell, a mutant who can temporarily stop time, code name revealed in Uncanny X-Men #1
1st appearance of Triage, a mutant with healing abilities, code name given in Uncanny X-Men #4
X-Factor #38
Marvel
•
1989
•
Vol. 1
Origin and death of the Goblin Queen aka Madelyne Pryor
Warren Worthington, formerly Angel, then the Horseman Death, becomes Archangel, named by Beast
Origin and death of the Goblin Queen aka Madelyne Pryor
Warren Worthington, formerly Angel, then the Horseman Death, becomes Archangel, named by Beast
Ms. Marvel #18
Marvel
•
1978
•
Vol. 1
1st full appearance of Mystique, revealed without disguise
Powers of X #1
Marvel
•
2019
•
Vol. 1
1st appearance of Rasputin IV
1st appearance of Cylobel
1st appearance of Percival
1st appearance of Cardinal
1st appearance of Rasputin IV
1st appearance of Cylobel
1st appearance of Percival
1st appearance of Cardinal
X-Force #32
Marvel
•
1994
•
Vol. 1
1st full appearance of Paige Guthrie, revealed to have mutant powers and later becomes Husk
1st full appearance of Paige Guthrie, revealed to have mutant powers and later becomes Husk
Uncanny X-Men #312
Marvel
•
1994
•
Vol. 1
1st full team appearance of The Phalanx in their true form
Cameo in #305, hinted at when Rogue touches what seems to be a normal human and #311 briefly in their true form
1st full team appearance of The Phalanx in their true form
Cameo in #305, hinted at when Rogue touches what seems to be a normal human and #311 briefly in their true form
Uncanny X-Men #130
Marvel
•
1980
•
Vol. 1
The Dark Phoenix Saga Part 2
1st appearance of Dazzler
2nd appearance of Kitty Pryde
2nd appearance of Emma Frost
1st full appearance of Sebastian Shaw, the Black King
Jean Grey becomes the Black Queen of the Hellfire Club
The Dark Phoenix Saga Part 2
1st appearance of Dazzler
2nd appearance of Kitty Pryde
2nd appearance of Emma Frost
1st full appearance of Sebastian Shaw, the Black King
Jean Grey becomes the Black Queen of the Hellfire Club
Uncanny X-Men #191
Marvel
•
1985
•
Vol. 1
1st appearance of Nimrod, an advanced sentinel from an alternate timeline
1st appearance of Nimrod, an advanced sentinel from an alternate timeline
X-Men Unlimited #27
Marvel
•
2000
•
Vol. 1
1st appearance of Omega Sentinel, a human transformed by the Operation Zero Tolerance program into a sentinel
The reactivated Omega Sentinel is the machine liaison to Orchis and could be a major threat to the Omega Level mutants
1st appearance of Omega Sentinel, a human transformed by the Operation Zero Tolerance program into a sentinel
The reactivated Omega Sentinel is the machine liaison to Orchis and could be a major threat to the Omega Level mutants
Uncanny X-Men #96
Marvel
•
1975
•
Vol. 1
1st appearance of Moira MacTaggert, an Omega Level Mutant who retains her memory after death and reincarnation
Debut of Wolverine's berserker rage
1st appearance of Steven Lang, one of the Sentinel program pioneers
1st appearance of Kierrok, a demon created by Chthon
1st appearance of Moira MacTaggert, an Omega Level Mutant who retains her memory after death and reincarnation
Debut of Wolverine's berserker rage
1st appearance of Steven Lang, one of the Sentinel program pioneers
1st appearance of Kierrok, a demon created by Chthon
X-Factor #6
Marvel
•
1986
•
Vol. 1
1st full appearance and cover of Apocalypse
Iron Fist #14
Marvel
•
1977
•
Vol. 1
1st full appearance and cover of Sabretooth, a mutant who becomes the primary nemesis of Wolverine
1st full appearance and cover of Sabretooth, a mutant who becomes the primary nemesis of Wolverine
Uncanny X-Men #221
Marvel
•
1987
•
Vol. 1
1st full appearance of Mr. Sinister
[July 2022 - Mr. Sinister rumored to be a villain in the X-Men reboot]
1st full appearance of Mr. Sinister
[July 2022 - Mr. Sinister rumored to be a villain in the X-Men reboot]
Uncanny X-Men #4
Marvel
•
1964
•
Vol. 1
1st team appearance of the Brotherhood of Evil Mutants led by Magneto
1st appearance of Scarlet Witch
1st appearance of Quicksilver
1st appearance Mastermind, later becomes Jason Wyngarde
1st appearance of Toad
2nd appearance of Magneto
Although the Scarlet Witch's costume is colored green on the cover, it is red in the story
First interaction between Charles Xavier and Magneto, though their origins have since been retconned to have them meet earlier in their lives
1st team appearance of the Brotherhood of Evil Mutants led by Magneto
1st appearance of Scarlet Witch
1st appearance of Quicksilver
1st appearance Mastermind, later becomes Jason Wyngarde
1st appearance of Toad
2nd appearance of Magneto
Although the Scarlet Witch's costume is colored green on the cover, it is red in the story
First interaction between Charles Xavier and Magneto, though their origins have since been retconned to have them meet earlier in their lives
Uncanny X-Men #3
Marvel
•
1964
•
Vol. 1
1st appearance of the Blob, an invulnerable mutant
X-Factor #92
Marvel
•
1993
•
Vol. 1
1st appearance of Exodus, an Omega Level mutant
Generation X #1
Marvel
•
1994
•
Vol. 1
Chromium
Wraparound
1st appearance of Chamber
1st appearance of Emplate, Marius St. Croix, a psychic vampire
1st cameo appearance of Penance, later revealed to be the real Monet St. Croix
Chromium wraparound cover
1st appearance of Chamber
1st appearance of Emplate, Marius St. Croix, a psychic vampire
1st cameo appearance of Penance, later revealed to be the real Monet St. Croix
Chromium wraparound cover
Uncanny X-Men #141
Marvel
•
1981
•
Vol. 1
"Days of Future Past" part 1
1st team appearance of the Brotherhood of Evil Mutants: Mystique, Destiny, Pyro, Avalanche and Blob
1st appearance of Destiny
1st appearance of Avalanche
1st appearance of Pyro
1st appearance of Rachel Summers, daughter of Scott and Jean
"Days of Future Past" part 1
1st team appearance of the Brotherhood of Evil Mutants: Mystique, Destiny, Pyro, Avalanche and Blob
1st appearance of Destiny
1st appearance of Avalanche
1st appearance of Pyro
1st appearance of Rachel Summers, daughter of Scott and Jean
Uncanny X-Men #1
Marvel
•
2013
•
Vol. 3
1st appearance of Goldballs, a mutant with powers that manifest as golden spheres that are actually eggs (revealed in House of X #5)
Debut of Magneto’s white suit
1st appearance of Goldballs, a mutant with powers that manifest as golden spheres that are actually eggs (revealed in House of X #5)
Debut of Magneto’s white suit
X-Men #157
Marvel
•
2004
•
Vol. 2
1st appearance of Shen Xorn, the twin brother of Kuan-Yin Xorn possessing similar powers except instead of a star, he has a black hole in his head
1st appearance of Shen Xorn, the twin brother of Kuan-Yin Xorn possessing similar powers except instead of a star, he has a black hole in his head
New X-Men Annual #2001
Marvel
•
2001
•
Vol. 1
1st appearance of Xorn, a mutant who possesses a small star in his brain - previous appearances of Xorn were revealed to be Magneto in disguise but the character proved to be a fan-favorite and warranted a true introduction
1st appearance of John Sublime, an ancient sentient bacteria that lives in its human host
1st team appearance of X-Corporation (Hong Kong): Domino and Risque (deceased)
This issue is the first widescreen format Marvel comic
1st appearance of Xorn, a mutant who possesses a small star in his brain - previous appearances of Xorn were revealed to be Magneto in disguise but the character proved to be a fan-favorite and warranted a true introduction
1st appearance of John Sublime, an ancient sentient bacteria that lives in its human host
1st team appearance of X-Corporation (Hong Kong): Domino and Risque (deceased)
This issue is the first widescreen format Marvel comic
House of X #1
Marvel
•
2019
•
Vol. 1
1st team appearance of Orchis, a team of human scientists united to stop the mutant threat: Dr Alia Gregor, Captain Erasmus Mendel, Agent Goodall, Omega Sentinel, Dr Cain
1st appearance of Krakoa residents: Fauna, Wrench, Sonos Rex
1st team appearance of Orchis, a team of human scientists united to stop the mutant threat: Dr Alia Gregor, Captain Erasmus Mendel, Agent Goodall, Omega Sentinel, Dr Cain
1st appearance of Krakoa residents: Fauna, Wrench, Sonos Rex
New X-Men #118
Marvel
•
2001
•
Vol. 1
1st team appearance of the Stepford Cuckoos, a product of Weapon XIV, created from Emma Frost's DNA
1st appearance of Angel Salvadore
1st appearance of Cerebella, a disembodied mutant brain
Artist Ethan Van Sciver hid the word 'sex' in multiple panels throughout the book, many of which were caught by editors but one slipped past which is evident in a protest scene
1st team appearance of the Stepford Cuckoos, a product of Weapon XIV, created from Emma Frost's DNA
1st appearance of Angel Salvadore
1st appearance of Cerebella, a disembodied mutant brain
Artist Ethan Van Sciver hid the word 'sex' in multiple panels throughout the book, many of which were caught by editors but one slipped past which is evident in a protest scene
Uncanny X-Men #1
Marvel
•
1963
•
Vol. 1
1st team appearance of the X-Men: Cyclops, Jean Grey aka Marvel Girl, Iceman, Angel, Beast, Professor X
1st appearance of Magneto
Homo Superior concept, coined by Magneto to describe humans born with special abilities introduced in this issue
1st team appearance of the X-Men: Cyclops, Jean Grey aka Marvel Girl, Iceman, Angel, Beast, Professor X
1st appearance of Magneto
Homo Superior concept, coined by Magneto to describe humans born with special abilities introduced in this issue
Giant-Size X-Men #1
Marvel
•
1975
•
Vol. 1
1st appearance of the new X-Men: Storm (1st), Nightcrawler (1st), Colossus (1st), Thunderbird (1st), Wolverine (3rd)
Many resources label this the 2nd full appearance of Wolverine and The Incredible Hulk #182 a second cameo
1st appearance of Illyana Rasputin as a child, later becomes Magik
Introduction of Krakoa, the Living Island
First use of the sound effect 'snikt' associated with Wolverine's claws
1st appearance of the new X-Men: Storm (1st), Nightcrawler (1st), Colossus (1st), Thunderbird (1st), Wolverine (3rd)
Many resources label this the 2nd full appearance of Wolverine and The Incredible Hulk #182 a second cameo
1st appearance of Illyana Rasputin as a child, later becomes Magik
Introduction of Krakoa, the Living Island
First use of the sound effect 'snikt' associated with Wolverine's claws
Astonishing X-Men #6
Marvel
•
2018
•
Vol. 4
1st appearance of Charles Xavier as X, inhabiting the body of Fantomex
1st appearance of Charles Xavier as X, inhabiting the body of Fantomex
Uncanny X-Men #129
Marvel
•
1980
•
Vol. 1
The Dark Phoenix Saga Part 1
1st appearance of Kitty Pryde
1st appearance of Emma Frost, the White Queen
1st cameo team appearance of The Hellfire Club, in shadows
The Dark Phoenix Saga Part 1
1st appearance of Kitty Pryde
1st appearance of Emma Frost, the White Queen
1st cameo team appearance of The Hellfire Club, in shadows
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