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Key Issue

January 10, 1957

Showcase #6

Key Issue: First appearance of Challengers of the Unknown; Origin of Challengers of the Unknown; First S.A. hero team

Artist: Jack Kirby

Ben Oda

Marvin Stein

Writer: Jack Kirby

Joe Simon

Dave Wood

Publisher: DC Comics

Cover Artist: Jack Kirby

Editor: Jack Schiff

Publication Date: Jan 10, 1957

Cover Price: $0.10

Page Count: 36 pages

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