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| Publisher |
DC |
| Series |
Superman |
| Published | February 1958 |
| Artist |
Wayne Boring |
| Writer |
Edmond Hamilton |
| Inker |
Stan Kaye |
| Cover Artist |
Curt Swan |
THE SECOND SUPERMAN Superman discovers that a planet named Xenon is a smaller twin world of Krypton, and that it contains doubles of his father and himself.