Major Key
Action Comics #1
First appearance of Superman and the beginning of the superhero genre.
View key issue guideMarvel & DC Key Comic Issues
Explore 4 collector guides covering major and minor Marvel & DC comic milestones.
1930s Key Comic Issues
Explore important Marvel and DC key issues published during the 1930s.
4 key issues from the 1930s
Major Key
Detective Comics #27
First appearance of Batman, introducing Bruce Wayne’s masked crime-fighting identity in a landmark Golden Age story.
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