Published Oct 1963 by DC.
Cover pencils by Curt Swan, inks by George Klein. The Showdown Between Luthor and Superman! [part 1], script by Edmond Hamilton, pencils by Curt Swan, inks by George Klein; When Luthor escapes from jail, he challenges Superman to meet him in a fair fight without his super powers. The Super-Duel! [part 2]; While Superman struggles to survive, Luthor meets the few remaining inhabitants of the planet and becomes their hero when he reactivates their scientific machines and temporarily solves their water shortage problem. The Fugitive From the Phantom Zone! starring Superman and Ras-Krom, script by Jerry Siegel, art by Al Plastino. 36 pgs. $0.12. Cover price $0.12.