Superman (Volume 1) with a cover date of May, 1956.
Synopsis for "Superman's Three Mistakes"
Clark Kent gets an anonymous letter telling him to research his past to find mistakes that gave away his secret identity.
Appearing in "Superman's Three Mistakes"
Featured Characters:
- Superman (Flashback and main story)
Supporting Characters:
- Jonathan Kent (Flashback only)
- Lois Lane (Flashback only)
- Martha Kent (Flashback only)
- Superbaby (Flashback only)
- Superboy (Flashback only)
Antagonists:
- Brontosaurus (Flashback only)
- Lex Luthor (Mentioned only)
Other Characters:
- George Verrel (Single appearance)
- James Burns (Flashback and main story)
- Mr. Jarvis (Flashback and main story)
- Rip Van Winkle of Smallville (Mentioned only)
- "It" (Mentioned only)
Locations:
- Krypton (Mentioned only)
- Metropolis (Flashback and main story)
- Daily Planet
- Metropolis Map Company
- Smallville (Flashback and main story)
- Kent Farm (Flashback only)
Items:
- Superman-Robot (Flashback and main story)
Vehicles:
- Kryptonian Rocket (Flashback only)
Synopsis for "Mr. Mxyztplk's Secret Identity"
To frustrate Superman from sending him back to his own dimension, Mr. Mxyzptlk adopts a secret identity.
Appearing in "Mr. Mxyztplk's Secret Identity"
Featured Characters:
Supporting Characters:
Antagonists:
Other Characters:
- Mr. Amesby (Single appearance)
- W. K. Brandon (Single appearance)
- Waldemar Hunt (Single appearance)
Locations:
Vehicles:
- Ice Cream Truck
Synopsis for "Superman, Slave"
Clark Kent is accidentally thrown from an airplane into a hidden valley ruled by a medieval tyrant named Eldric. In order to overthrow him, Superman pretends to be his slave.
Appearing in "Superman, Slave"
Featured Characters:
Antagonists:
- Eldric (Single appearance)
Other Characters:
- Lord Wilman (Single appearance)
Locations:
- Kingdom hidden in the mountains
Vehicles:
- Plane
See Also