Uncanny X-Men  (1963)

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Marvel ⋅ 1966

Low
$30
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$100
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$310

Key Facts

1st appearance and origin of the Locust

Marvel ⋅ 1966

Low
$30
Mid
$100
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$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

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1966

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Key Facts

Non-Key Issue. No additional information is available.
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

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$1
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$2
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$3

Key Facts

Non-Key Issue. No additional information is available.

JC Penney ⋅ Marvel ⋅ 1994

Low
$2
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$8
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$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

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1967

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1967

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

Marvel ⋅ 1967

Low
$30
Mid
$95
High
$350

Key Facts

3rd appearance of Juggernaut

Marvel ⋅ 1967

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$40
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$120
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$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

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1967

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

Marvel ⋅ 1967

Low
$20
Mid
$80
High
$200

Key Facts

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

Marvel ⋅ 1967

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1967

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$20
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$80
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$200

Key Facts

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

Marvel ⋅ 1967

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$35
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$350

Key Facts

Debut of new X-Men suits

Origin of Cyclops

Marvel ⋅ 1968

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$20
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$80
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$220

Key Facts

Origin of Cyclops continued

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

Marvel ⋅ 1968

Low
$12
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$40
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$120

Key Facts

1st appearance of Grotesk aka Gor-Tok

Origin of Cyclops continued

Marvel ⋅ 1968

Low
$15
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$60
High
$180

Key Facts

Death of Changeling, disguised as Professor X

Origin of Cyclops continued

Marvel ⋅ 1968

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1968

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

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1968

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1968

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1968

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1968

Low
$40
Mid
$120
High
$400

Key Facts

1st appearance of Lorna Dane, daughter of Magneto who later takes the name Polaris

1st appearance of Mesmero, a mutant with hypnosis powers

Origin of Beast begins and continues through to #53

Marvel ⋅ 1968

Low
$70
Mid
$235
High
$850

Key Facts

2nd appearance Lorna Dane, daughter of Magneto who later takes the name Polaris

2nd appearance of Mesmero

Origin of Beast, his birth and cause of mutation

First use of the classic X-Men logo, designed by Jim Steranko

Marvel ⋅ 1968

Low
$18
Mid
$60
High
$180

Key Facts

Cyclops disguised as Erik the Red

Iconic cover art by Jim Steranko

Marvel ⋅ 1969

Low
$8
Mid
$18
High
$80

Key Facts

Cyclops disguised as Erik the Red

Marvel ⋅ 1969

Low
$15
Mid
$50
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$150

Key Facts

First professionally published cover art by Barry Windsor-Smith

Origin of Beast, back-up story concludes

Marvel ⋅ 1969

Low
$25
Mid
$90
High
$250

Key Facts

1st appearance and origin of Alex Summers, later becomes Havok in X-Men #56

1st appearance of the Living Pharaoh, later becomes the Living Monolith

Origin of Angel

Low
$8
Mid
$20
High
$75

Key Facts

Origin of Angel, as the Avenging Angel

UK Edition ⋅ Marvel ⋅ 1969

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Key Facts

Non-Key Issue. No additional information is available.
Low
$60
Mid
$180
High
$600

Key Facts

Iconic cover art by Neal Adams

The Living Pharaoh becomes the Living Monolith, later becomes the Living Planet

Origin of Angel, joins the X-Men

UK Edition ⋅ Marvel ⋅ 1969

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Key Facts

Non-Key Issue. No additional information is available.
Low
$30
Mid
$100
High
$300

Key Facts

1st appearance of Larry Trask, son of Bolivar Trask

UK Edition ⋅ Marvel ⋅ 1969

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Key Facts

Non-Key Issue. No additional information is available.
Low
$80
Mid
$400
High
$1.2k

Key Facts

1st appearance of Havok in costume

UK Edition ⋅ Marvel ⋅ 1969

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Key Facts

Non-Key Issue. No additional information is available.
Low
$12
Mid
$40
High
$115

Key Facts

1st appearance of Dr. Lykos, the human form of Sauron

UK Edition ⋅ Marvel ⋅ 1969

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Key Facts

Non-Key Issue. No additional information is available.
Low
$40
Mid
$120
High
$400

Key Facts

1st appearance of Sauron, a Savage Land mutate

Reprint ⋅ Marvel ⋅ 1993

Low
$1
Mid
$2
High
$3

Key Facts

Non-Key Issue. No additional information is available.

UK Edition ⋅ Marvel ⋅ 1969

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.
Low
$12
Mid
$35
High
$110

Key Facts

2nd appearance of Sauron

UK Edition ⋅ Marvel ⋅ 1969

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Key Facts

Non-Key Issue. No additional information is available.

JC Penney ⋅ Marvel ⋅ 1993

Low
$2
Mid
$8
High
$20

Key Facts

Reprint of X-Men #61, distributed by JC Penney department stores

Identified by the X-Men VHS advertisement on back cover

Low
$20
Mid
$80
High
$200

Key Facts

1st team appearance of the Savage Land Mutates, natives of the Savage Land, genetically altered by Magneto

First time Magneto removes helmet

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