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Challengers of the Unknown#75
Cover: George Tuska & Jack Kirby
Challengers of the Unknown #75
“Ultivac Is Loose!”
writer Dave Wood · writer, artist, inker Jack Kirby · inker Roz Kirby · inker Marvin Stein · letterer Stan Starkman · cover George Tuska, Jack Kirby
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Full credits
writer Dave Wood
writer, artist, inker Jack Kirby
inker Roz Kirby
inker Marvin Stein
letterer Stan Starkman
cover pencils, inks George Tuska
cover pencils, inks Jack Kirby