“The Double-or-Nothing Life of Superman!”
Superman must face several of his greatest foes, but it is part of Xviar's master plan.
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Superman #299 (1939) is issue #299 of DC's Superman (1939–1986), with a cover date of May 1976. Written by Cary Bates and Elliot Maggin and drawn by Curt Swan.
Credits, characters and story details from the Grand Comics Database, CC BY-SA 4.0.