507 – First Earthling on Krypton

In “The Man Who Went To Krypton!”, a story from Superman #77 (May 1952) written by Bill Finger, Superman discovers that a human had visited Krypton in the past. Thirty years ago, Professor William Enders intercepted radio signals from Krypton (which must have traveled through a time warp?) and learned how to communicate with Jor-El […]

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413 – Not the Phantom Zone

Luthor manages to create a teleporting device in Action Comics #131 (February 1949). While committing crimes with them, he manages to accidentally teleport Superman, and then decides to trap him in “the 4th dimension”. While Superman is trapped there, he is invisible to everyone but can still move and see things that are going on […]

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