Detective Comics (1937)
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Key Facts
1st appearance of Onyx Adams, a member of the League of Assassins
Key Facts
1st appearance of Onyx Adams, a member of the League of Assassins
Key Facts
Green Arrow backup story written by Alan Moore
Key Facts
2nd appearance of Black Mask
Key Facts
Debut of new Black Canary costume
Cover pays homage to Flash Comics #92 where Black Canary makes her first cover appearance
Key Facts
Debut of new Black Canary costume
Cover pays homage to Flash Comics #92 where Black Canary makes her first cover appearance
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