Issue: #330
Last valuation update: 2026-10-20
“THE STRANGE ‘S’ SPELL ON SUPERMAN!” After being exposed to Red Kryptonite, Superman begins to steal things with the letter S on them!The Strange 'S' Spell on Superman (Superman)Supergirl's Duel with Dr. Supernatural (Supergirl)
First appearances: Dr. Supernatural
Creators: George Klein, Curt Swan, Jim Mooney, Leo Dorfman, Mort Weisinger, Edmond Hamilton
Characters: Superman, Lois Lane, Supergirl, Krypto, Mask Man, Dr. Supernatural