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Low
$120
Mid
$400
High
$1.2k

Key Facts

Introduction of the Fortress of Solitude

A prototype version of Superman's headquarters was introduced in Superman #17 and the name was mentioned in Superman #58

Low
$1k
Mid
$3k
High
$10k

Key Facts

1st appearance and origin of Brainiac

1st appearance of the Bottle City of Kandor, the capital city of Krypton

[December 2025 - James Gunn posted anti Instagram confirming Lars Edinger will portray Brainiac]

International ⋅ DC ⋅ 1959

Low
$780
Mid
$2.3k
High
$7.8k

Key Facts

Mexican Edition published by Editorial Novaro

DC ⋅ 1958

Low
$30
Mid
$90
High
$300

DC ⋅ 1958

Low
$45
Mid
$135
High
$445

DC ⋅ 1958

Low
$30
Mid
$95
High
$310

DC ⋅ 1958

Low
$20
Mid
$65
High
$215

DC ⋅ 1958

Low
$50
Mid
$150
High
$495
Low
$40
Mid
$115
High
$400

Key Facts

1st appearance of Congorilla, formerly Congo Bill

DC ⋅ 1958

Low
$25
Mid
$80
High
$270

DC ⋅ 1959

Low
$30
Mid
$95
High
$320
Low
$35
Mid
$110
High
$350

Key Facts

Full page teaser ad of the first appearance of Supergirl in Action Comics #252

Price Trend
Low
$900
Mid
$2.8k
High
$9k

Key Facts

1st appearance of Supergirl

1st appearance of Metallo

1st appearance of Zor-El, the father of Supergirl

1st appearance of Allura In-Ze, the mother of Supergirl

Foil ⋅ DC ⋅ 2025

Low
$1
Mid
$2
High
$7

Blank ⋅ DC ⋅ 2025

Low
$1
Mid
$2
High
$5

Facsimile ⋅ DC ⋅ 2025

Low
$1
Mid
$2
High
$4

Facsimile • Comic Kingdom ⋅ DC ⋅ 2025

Low
$1
Mid
$5
High
$15

Facsimile • Comic Kingdom ⋅ DC ⋅ 2025

Low
$3
Mid
$9
High
$30

Key Facts

Glow in the Dark edition

Facsimile • Big Time Collectibles ⋅ DC ⋅ 2025

Low
$1
Mid
$5
High
$15

Key Facts

Limited to 3,000 copies

Facsimile • Big Time Collectibles ⋅ DC ⋅ 2025

Low
$3
Mid
$9
High
$30

Key Facts

Foil edition, limited to 1,000 copies

International ⋅ DC ⋅ 1964

Low
$10
Mid
$35
High
$110

Key Facts

Lebanese edition, published as Superman Comics #5

Blind Bag • eBay Live ⋅ DC ⋅ 2025

Low
$3
Mid
$9
High
$30
Low
$70
Mid
$205
High
$765

Key Facts

2nd appearance of Supergirl

Low
$70
Mid
$350
High
$910

Key Facts

1st appearance and origin of Bizarro #1, an imperfect version of Superman

Low
$60
Mid
$180
High
$600

Key Facts

1st appearance of Bizarro Lois Lane

Low
$20
Mid
$60
High
$205

Key Facts

1st appearance of Dick Wilson, later Dick Malverne, a love interest of Supergirl

DC ⋅ 1959

Low
$18
Mid
$50
High
$170

DC ⋅ 1959

Low
$30
Mid
$90
High
$300

Key Facts

2nd cover appearance of Supergirl

DC ⋅ 1959

Low
$20
Mid
$60
High
$195

DC ⋅ 1959

Low
$18
Mid
$55
High
$185
Low
$35
Mid
$100
High
$325

Key Facts

1st appearance of Streaky the Supercat

Low
$15
Mid
$50
High
$160

Key Facts

Introduction of the concept that Kryptonians derive their powers from Earth's yellow sun

Introduction of the concept that Kryptonians are as powerful as ordinary humans under their native planet's red sun

Low
$45
Mid
$140
High
$450

Key Facts

Introduction of Bizarro World

DC ⋅ 1960

Low
$18
Mid
$55
High
$185

DC ⋅ 1960

Low
$18
Mid
$55
High
$180

DC ⋅ 1960

Low
$25
Mid
$80
High
$270
Low
$75
Mid
$220
High
$825

Key Facts

3rd appearance of the Legion of Super-Heroes

First meeting of the Legion and Supergirl

1st appearance of Chameleon Boy

1st appearance of Invisible Kid

1st appearance of Colossal Boy

DC ⋅ 1960

Low
$18
Mid
$55
High
$180

DC ⋅ 1960

Low
$15
Mid
$40
High
$140

DC ⋅ 1960

Low
$15
Mid
$45
High
$145

DC ⋅ 1960

Low
$15
Mid
$40
High
$140

DC ⋅ 1960

Low
$15
Mid
$50
High
$165

DC ⋅ 1960

Low
$15
Mid
$45
High
$145

DC ⋅ 1961

Low
$15
Mid
$45
High
$155
Low
$18
Mid
$60
High
$180

Key Facts

First mention of Superman's Heat Vision power - previous issues demonstrated his X-Ray vision having powers to melt glaciers

Debut of Red/Green Kryptonite - causes mutations including an extra eye on the back of Superman's head

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

Low
$20
Mid
$60
High
$205

DC ⋅ 1961

Low
$12
Mid
$40
High
$135
Low
$15
Mid
$45
High
$155

Key Facts

1st appearance of Lesla-Lar, a Kryptonian who escaped from the bottled city of Kandor

DC ⋅ 1961

Low
$25
Mid
$75
High
$255

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