Action Comics (1938)
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Key Facts
First issue of Action Comics published during the Silver-Age (1956-1970)
Key Facts
First issue of Action Comics published during the Silver-Age (1956-1970)
Key Facts
Variant error cover, incorrectly numbered as issue #233
Key Facts
Variant error cover, incorrectly numbered as issue #233
Key Facts
'Death of Superman' story
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
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
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 an Instagram confirming Lars Edinger will portray Brainiac]
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 an Instagram confirming Lars Edinger will portray Brainiac]
Key Facts
Mexican Edition published by Editorial Novaro
Key Facts
Mexican Edition published by Editorial Novaro
Key Facts
1st appearance of Congorilla, formerly Congo Bill
Key Facts
1st appearance of Congorilla, formerly Congo Bill
Key Facts
Full page teaser ad of the first appearance of Supergirl in Action Comics #252
Key Facts
Full page teaser ad of the first appearance of Supergirl in Action Comics #252
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
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
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