ACTION COMICS (1938) #339

A special double issue! Featuring Superman in “MUTO VERSUS THE MAN OF TOMORROW!” and his cousin Supergirl in “BRAINIAC’S KRYPTONITE TRAP FOR SUPERGIRL!”  » Muto Versus the Man of Tomorrow!  » reprinted in Superman #248 & Superman: Past and Future TPB.  » Brainiac’s Blitz!  » written by Jim Shooter, penciled and inked by Jim Mooney. Reprinted in The Superman Family #164 .…