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Otto Binder

DC Jul 1958

Action Comics #242

Action Comics #242
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$1K
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$3K
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$10K
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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]
DC Aug 1960

Action Comics #267

Action Comics #267
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Low
$75
Mid
$220
High
$825
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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

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