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Detective Comics #20 DC Comics cover featuring the first appearance of the Crimson Avenger

This Day in Comics: Crimson Avenger Debuts in Detective Comics #20

September 20, 2026September 20, 2026 - by Comic Books

This Day in Comics: Crimson Avenger Debuts in Detective Comics #20 On September 20, 1938, The Crimson Avenger made his first appearance in Detective Comics #20, becoming one of DC Comics’ earliest masked crimefighters. Before the superhero boom fully took …

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The Cosmic Debut of Nebula Man: A DC Comics History

June 20, 2025February 1, 2026 - by Comic Books

The Cosmic Terror of Nebula Man: A Look Back at His DC Comics Debut On this day, June 20, 1972, the DC universe trembled. A new, cosmic entity of immense power made his first devastating appearance. He was the Nebula …