Superman#213
Cover: Neal Adams & Neal Adams
Superman #213
“The Most Dangerous Door in the World!”
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Cast · 4 characters
Full credits
writer Jerry Siegel
artist Al Plastino
inker Al Plastino
cover pencils Neal Adams
cover inks Neal Adams
Full plot ⚠ may contain spoilers
▸ Reveal full plot — may contain spoilers
In his Fortress of Solitude, Superman disassembles a strange machine he found in space. When the machine explodes and destroys the Earth, Superman, Supergirl and Krypto are the only survivors.
Plot details indexed by the Grand Comics Database (CC BY-SA).