World's Finest Comics #41
In "The Discovery of Supermanium!", Batman and Robin dive into a bizarre mystery when a man whose hands were replaced after a tragic accident begins to suspect they're acting on their own—moving, gripping, even attacking. With eerie precision and a touch of the uncanny, this 1949 tale from Bob Kane, Charles Paris, and Ira Schnapp explores the line between science and the supernatural, all under Win Mortimer’s striking cover.
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Batman and Robin investigate a man who after losing his hands has them replaced from a dying donor, but now those new hands have a life of their own, including trying to kill.
Plot details indexed by the Grand Comics Database (CC BY-SA).