Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue #339
Published July 1966
Cover Price 0.12
Pages 36
Editing Mort Weisinger

Cover Details

Characters Superman; Supergirl; Brainiac; Muto; green kryptonite
Genre superhero
Pencils Curt Swan
Inks George Klein

12 page Superman story "Muto versus the Man of Tomorrow!"

Characters Superman [Klar Ken T5477]; Muto; Lyra 3916; Jay L-3388; PW-5598
Synopsis Using his heat vision, Superman reprograms the android children so they save him from the paralyzing seawater. Later, back on Earth, Muto challenges Superman again, but Superman creates a super-electric discharge to open a space-warp to Muto’s dimension and the villain is drawn home.
Genre superhero
Script Edmond Hamilton
Pencils Curt Swan
Inks George Klein
Notes Series continues from Action Comics (DC, 1938 series) #338; series concludes in World's Finest Comics (DC, 1941 series) #166.
Reprinted in Superman (DC, 1939 series) #248 (February 1972); in Superman: Past and Future (DC, 2008 series) #[nn]

12 page Supergirl story "Brainiac's Blitz!"

Characters Superman [Clark Kent]; Supergirl [Kara Zor-El]; Brainiac; Green Kryptonite; Professor Carter; Fortress of Solitude
Synopsis With Superman gone in space on a Justice League adventure, Supergirl must stop Braniac when he comes to Earth to kill Superman.
Genre superhero
Script Jim Shooter
Pencils Jim Mooney
Inks Jim Mooney
Reprinted in Superman Family (DC, 1974 series) #164 (April-May 1974)