Issue: #308
Last valuation update: 2026-10-22
Story 1: The Super-Menace of Smallville! Lex Luthor shows up to make Superboy's life full of problems. Story 2: The Return of Lightning Lad! While the Legion of Super-Heroes believes their dead member, Lightning Lad, has come back to life, they realize it's his sister: Lightning Lass! Also, Chameleon Boy finds a new pet named Proty.
First appearances: Proty, Lightning Lass
Creators: George Papp, George Klein, Curt Swan, Joe Letterese, John Forte, Mort Weisinger, Edmond Hamilton
Characters: Superman, Supergirl, Supergirl, Lex Luthor, Bouncing Boy, Brainiac 5, Chameleon Boy, Cosmic Boy, Lightning Lad, Sun Boy, Saturn Girl, Duplicate Girl, Proty, Shrinking Violet, Chief Parker, Lightning Lass, Jonathan Kent, Martha Kent, Lana Lang, Pete Ross