ACTION COMICS (1938) #13

When the Ultrahumanite tries to dominate the world, Superman must defeat him! Untitled Superman story (Siegel/Shuster) – Superman takes on a protection racket and winds up meeting his first arch-nemesis, The Ultra-Humanite ! Untitled Scoop Scanlon story (Ely) Untitled Pep Morgan story (Fox/Guardineer) Untitled Adventures of Marco Polo (Elven) « The Test Flight » [text story] – (Cummings) Untitled Tex Thomson story (Baily) Untitled Chuck Dawson story (Fleming) « The Swamp of Satan » featuring Zatara (Fox/Guardineer)