Challengers of the Unknown — DC Comics
Issue: #74
Last valuation update: 2026-09-09
Challengers of the Unknown (1958) #74 is published by DC Comics and was released in Jul 1970. View cover art, issue details, and related characters and contributors.
First appearances: Dr McJames, Seth Gross
Creators: Neal Adams
Characters: Ace Morgan, Prof Haley, Red Ryan, Rocky Davis, Deadman, Jonny Double, Dr McJames, Vashnu, Corinna Stark, Seth Gross