Synopsis
Superman is brought to the 24th century with other heroes from the past as part of a future history lesson, but he learns that he may really be the second duplicate Superman created after the first one from Krypton, died. When he returns to his own time he deduces that he apparently traveled to the future Earth of another dimension.
Notes
On-sale date from copyright registration.
Reprinted in
- Superman from the Thirties to the Seventies #[nn]— black and white
- The Best of DC #12
- Superman from the Thirties to the Eighties #[nn]
- Stålmannen #15/1971
- Superboy #7/1976
- Supermann #11/1971
- Superman Taschenbuch #38
- MV Comix #14/1972
- Superman Annual #1
- The Silver Age of Superman The Greatest Covers of Action Comics from the '50s to the '70s #[nn]
- DC Finest: Superman: Kryptonite Nevermore #[nn]
Credits
- Script
- Leo Dorfman, E. Nelson Bridwell
- Pencils
- Neal Adams, Curt Swan
- Inks
- Dick Giordano, Murphy Anderson
- Letters
- Gaspar Saladino, John Costanza, Ben Oda
- Editing
- Murray Boltinoff
- Assistant editor
- E. Nelson Bridwell
- Logo illustration
- Curt Swan, Murphy Anderson
Ratings
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