The JLA and JSA, alongside the Legion of Super-Heroes, are captured by Mordru in the 30th century and forced to do his task: reclaim the three items lost after the JLA satellite was destroyed in the late 20th century.
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Jerry Siegel, Ted Udall, Ed Wheelan, Bill Finger, S. Mayer, Gardner Fox, Harry G. Peter, William Smith, Frank Harry, Sheldon Moldoff, Lou Ferstadt & Irwin Hasen
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