Superman #213

Jan 1969 · DC · 0.12 USD

📊 ~101,304 copies sold its debut month

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“The Most Dangerous Door in the World!”

In "The Most Dangerous Door in the World!", Superman confronts a mysterious device from space in his Fortress of Solitude, unaware of the peril it holds. When the machine detonates, it triggers a catastrophic event that leaves Superman, Supergirl, and Krypto as the sole survivors on a shattered Earth. Written by Jerry Siegel and illustrated by Al Plastino, with a striking cover by Neal Adams, this 1969 classic blends cosmic mystery with the hero’s enduring resolve.

writer Jerry Siegel · artist, inker Al Plastino · cover Neal Adams

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Cast · 4 characters

Brainiac 5 Element Man Sun Man White Witch

Full credits

writer Jerry Siegel

artist, inker Al Plastino

cover pencils, 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).