Action Comics  (1938)

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DC ⋅ 1960

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DC ⋅ 1961

Values Coming Soon
Low
$12
Mid
$40
High
$130

Key Facts

Debut of Red/Green Kryptonite

Causes mutations, an extra eye on the back of Superman's head in this issue

Low
$120
Mid
$400
High
$1.2k

Key Facts

1st appearance of Sun Boy, a solar-powered member of the Legion of Super-Heroes

1st appearance of Phantom Girl, a member of the Legion of Super-Heroes who has the ability to phase through objects

1st appearance of Triplicate Girl, a member of the Legion of Super-Heroes who can split into three identical bodies

1st appearance of Bouncing Boy, a density-changing member of the Legion of Super-Heroes

1st appearance of Shrinking Violet, a member of the Legion of Super-Heroes who can shrink to sub-atomic size

1st appearance of Braniac 5, a genius and time-traveling member of the Legion of Super-Heroes

Supergirl joins the Legion of Super-Heroes

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon

DC ⋅ 1961

Values Coming Soon
Low
$20
Mid
$65
High
$340

Key Facts

Supergirl is introduced to the world

Classic cover art by Curt Swan

International ⋅ DC ⋅ 1966

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DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon
Low
$15
Mid
$50
High
$150

Key Facts

First meeting of Supergirl and Mr. Mxyzptlk

DC ⋅ 1962

Values Coming Soon
Low
$10
Mid
$35
High
$175

Key Facts

Origin of Comet the Superhorse

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1962

Values Coming Soon

DC ⋅ 1963

Values Coming Soon

DC ⋅ 1963

Values Coming Soon
Low
$10
Mid
$30
High
$170

Key Facts

Milestone issue Action Comics issue #300

DC ⋅ 1963

Values Coming Soon

DC ⋅ 1963

Values Coming Soon

DC ⋅ 1963

Values Coming Soon
Low
$8
Mid
$25
High
$100

Key Facts

1st appearance of the Black Flame, Zora Vi-Lar, a criminal from Krypton

DC ⋅ 1963

Values Coming Soon

DC ⋅ 1963

Values Coming Soon

DC ⋅ 1963

Values Coming Soon

DC ⋅ 1963

Values Coming Soon
Low
$20
Mid
$50
High
$150

Key Facts

Appearance of President John F. Kennedy who had been assassinated days before the issue went on sale

The mystery masquerader on the cover is JFK in disguise to help Superman conceal his identity

Low
$4
Mid
$12
High
$40

Key Facts

Debut of Jewel Kryptonite

Enhances the mental abilities of criminals trapped inside the Phantom Zone to affect events throughout the universe

DC ⋅ 1964

Values Coming Soon

DC ⋅ 1964

Values Coming Soon

DC ⋅ 1964

Values Coming Soon

DC ⋅ 1964

Values Coming Soon
Low
$8
Mid
$25
High
$100

Key Facts

1st appearance Zigi and Zagi

⚠ Misconception: CGC mislabels Action Comics #316 as the first appearance of Zigi and Zagi

DC ⋅ 1964

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DC ⋅ 1964

Values Coming Soon

DC ⋅ 1964

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DC ⋅ 1964

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DC ⋅ 1964

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DC ⋅ 1964

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