“Chapter I: The Super-Brat from Krypton”
A freak accident creates a duplicate of Kal-El's rocket including a double of its tiny passenger. On Earth, Kal's doppelganger is adopted by a crooked couple, the Dereks, and becomes Super-Brat.
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Superman #137 (1939) is issue #137 of DC's Superman (1939–1986), with a cover date of May 1960. Written by Henry Boltinoff and Jerry Siegel and drawn by Henry Boltinoff and Curt Swan.
Credits, characters and story details from the Grand Comics Database, CC BY-SA 4.0.