Uncanny X-Men  (1963)

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Marvel ⋅ 1966

Low
$35
Mid
$100
High
$330

UK Edition ⋅ Marvel ⋅ 1966

Low
$25
Mid
$70
High
$240

Marvel Legends ⋅ Marvel ⋅ 2004

Low
$0
Mid
$0
High
$0

Key Facts

Packaged with the Marvel Legends Iceman action figure

Value unknown

Low
$60
Mid
$180
High
$600

Key Facts

1st appearance and origin of Mimic

UK Edition ⋅ Marvel ⋅ 1966

Low
$5
Mid
$15
High
$55

Key Facts

1st appearance and origin of Mimic

Low
$40
Mid
$125
High
$430

Key Facts

3rd appearance of the Blob

Origin of how Professor X lost the use of his legs

UK Edition ⋅ Marvel ⋅ 1966

Low
$18
Mid
$55
High
$185

Key Facts

3rd appearance of the Blob

Origin of how Professor X lost the use of his legs

Marvel ⋅ 1966

Low
$15
Mid
$40
High
$140

UK Edition ⋅ Marvel ⋅ 1964

Low
$12
Mid
$35
High
$120

Marvel ⋅ 1966

Low
$15
Mid
$45
High
$145

UK Edition ⋅ Marvel ⋅ 1966

Low
$5
Mid
$15
High
$50

Marvel ⋅ 1966

Low
$18
Mid
$55
High
$175

UK Edition ⋅ Marvel ⋅ 1966

Low
$5
Mid
$15
High
$50
Low
$30
Mid
$100
High
$300

Key Facts

1st appearance and origin of the Locust

UK Edition ⋅ Marvel ⋅ 1966

Low
$5
Mid
$15
High
$45

Key Facts

1st appearance and origin of the Locust

Low
$30
Mid
$100
High
$310

Key Facts

1st cameo appearance of Kukulkan, a Mayan god

1st appearance and origin of El Tigre, a treasure hunter who was mutated by the Mystic Mists of the Savage Land which led to his suicide

Marvel ⋅ 1966

Low
$12
Mid
$40
High
$135

Marvel ⋅ 1966

Low
$12
Mid
$40
High
$130

UK Edition ⋅ Marvel ⋅ 1966

Low
$18
Mid
$55
High
$190
Low
$70
Mid
$290
High
$795

Key Facts

1st full appearance of Banshee, father of Siryn and cousin of Black Tom Cassidy

Reprint ⋅ Marvel ⋅ 1994

Low
$1
Mid
$2
High
$3

UK Edition ⋅ Marvel ⋅ 1967

Low
$40
Mid
$125
High
$410

Key Facts

1st full appearance of Banshee, father of Siryn and cousin of Black Tom Cassidy

JC Penney ⋅ Marvel ⋅ 1994

Low
$2
Mid
$8
High
$25

Key Facts

Reprint of X-Men #28 (1967), distributed by JC Penney department stores

Identified by the Stridex advertisement on the back cover

Marvel ⋅ 1966

Low
$10
Mid
$35
High
$110

UK Edition ⋅ Marvel ⋅ 1967

Low
$75
Mid
$230
High
$760

Marvel ⋅ 1967

Low
$12
Mid
$40
High
$130

UK Edition ⋅ Marvel ⋅ 1967

Low
$75
Mid
$230
High
$760
Low
$15
Mid
$60
High
$175

Key Facts

1st appearance of Cobalt Man, a former Stark employee who duplicated Iron Man tech for his own armor

1st appearance of Candy Southern, former girlfriend of Angel

Low
$30
Mid
$95
High
$350

Key Facts

3rd appearance of Juggernaut

UK Edition ⋅ Marvel ⋅ 1967

Low
$45
Mid
$135
High
$450

Key Facts

3rd appearance of Juggernaut

Low
$40
Mid
$120
High
$450

Key Facts

Cover art featuring the Juggernaut

Original cover art featured Xorak the Outcast but was deemed too terrifying in accordance with the Comics Code Authority

Marvel ⋅ 1967

Low
$12
Mid
$40
High
$135

UK Edition ⋅ Marvel ⋅ 1967

Low
$18
Mid
$50
High
$170
Low
$40
Mid
$120
High
$450

Key Facts

1st appearance of Changeling, later reintroduced as Morph in the alternate realities of the X-Men animated series and Exiles (2001)

2nd appearance of Banshee

UK Edition ⋅ Marvel ⋅ 1967

Low
$1
Mid
$2
High
$3
Low
$20
Mid
$80
High
$200

Key Facts

1st appearance of Mekano, a villain whose strength is derived from an exo-skeleton suit

UK Edition ⋅ Marvel ⋅ 1967

Low
$10
Mid
$30
High
$100

Key Facts

1st appearance of Mekano, a villain whose strength is derived from an exo-skeleton suit

Marvel ⋅ 1967

Low
$12
Mid
$40
High
$130

UK Edition ⋅ Marvel ⋅ 1967

Low
$30
Mid
$85
High
$285
Low
$20
Mid
$80
High
$200

Key Facts

Origin back-up stories begin featuring the X-Men and the creation of the team

Low
$35
Mid
$100
High
$350

Key Facts

Debut of new X-Men suits

Origin of Cyclops

Low
$20
Mid
$80
High
$220

Key Facts

Origin of Cyclops continued

Frankenstein's monster appearance, revealed to be an android created by aliens

Low
$12
Mid
$40
High
$120

Key Facts

1st appearance of Grotesk aka Gor-Tok

Origin of Cyclops continued

Low
$15
Mid
$60
High
$180

Key Facts

Death of Changeling, disguised as Professor X

Origin of Cyclops continued

Marvel ⋅ 1968

Low
$15
Mid
$45
High
$145
Low
$12
Mid
$40
High
$120

Key Facts

1st appearance of Red Raven in the Silver Age

Origin of Iceman, continued thru to #47

Marvel ⋅ 1968

Low
$12
Mid
$40
High
$125

Marvel ⋅ 1968

Low
$15
Mid
$45
High
$155

Marvel ⋅ 1968

Low
$12
Mid
$35
High
$115

Marvel ⋅ 1968

Low
$12
Mid
$35
High
$115
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