Action Comics (1938)
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Key Facts
1st appearance of Janu, an ally of Congo Bill
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
Key Facts
1st appearance and origin of Bizarro #1, an imperfect version of Superman
Key Facts
1st appearance and origin of Bizarro #1, an imperfect version of Superman
Key Facts
1st appearance of Dick Wilson, later Dick Malverne, a love interest of Supergirl
Key Facts
1st appearance of Dick Wilson, later Dick Malverne, a love interest of Supergirl
Key Facts
2nd cover appearance of Supergirl
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