Action Comics 338 (Jun 1966) VG+ (4.5)

Small stains on back cover

Muto -- Monarch of Menace!

Script: Edmond Hamilton

Pencils: Curt Swan

Inks: George Klein

Characters: Superman [Klar Ken T5477]; Muto; Lyra 3916; PW-5598; Lex Luthor (in video), Superman [Clark Kent] (in video); Lois Lane (in video); Superman the 5th (in video); Vyldan (in video); Jay L-3388; Superman the 4th (flashback); Superman the 7th [Kanton K-73] (flashback); Yann; Thargo; Von-Don

Synopsis: Superman tracks Muto to sector Z-44, where the villain springs a series of traps on the hero, finally luring him into saving a trio of android children in the path of a wave of paralyzing toxic seawater.