- Script:
- Robert Bernstein ?
- Pencils:
- Al Plastino
- Inks:
- Al Plastino
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Superman; Perry White (as the Great Mento, intro); Jimmy Olsen; Lois Lane; Rocky Sneed (villain)
- Synopsis:
- Perry White fakes ESP powers as The Great Mento, with Superman's help, to capture wanted criminals.
- Reprints: show reprint note before migration
Recycled from Superman (DC, 1939 series) #103.
- Script:
- Jerry Siegel
- Pencils:
- Curt Swan
- Inks:
- Sheldon Moldoff
- Colors:
- ?
- Letters:
- Milton Snapinn
- Genre:
- superhero
- Characters:
- Legion of Super-Heroes [Lightning Man; Cosmic Man; Saturn Woman] (first Adult Legion appearance); Legion of Super-Villains [Cosmic King (intro, origin); Lightning Lord [Mekt Ranzz] (intro, origin); Saturn Queen (intro, origin)] (intro, origin, villains); Lex Luthor (villain); Superman; Lois Lane (illusion); green kryptonite
- Synopsis:
- Luthor contacts and teams up with Legion of Super-Villains from 30th Century; adult Legion of Super-Heroes comes to 20th Century to help Superman.
- Reprints: show reprint note before migration
First adult Legion; first Legion of Super-Villains