Atom Man vs. Superman
Film series
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Atom Man vs. Superman is a 1950 American film serial and the second Superman movie serial featuring Kirk Alyn, credited only by his character name, Superman. Wikipedia
Adapted from: Superman
Produced by: Sam Katzman
Release date: July 20, 1950 (United States)
Written by: David Mathews; George H. Plympton; Joseph F. Poland