SUPERMAN 213 (1939)

Cover art by Neal Adams. The Most Dangerous Door in the World! starring Superman and Lex Luthor, script by Cary Bates, pencils by Curt Swan, inks by Jack Abel; Superman places a priceless prize in a huge vault and seals it with a lifetime lock…one that can't be cracked as long as he lives; renegade scientist, The Man of Steel's arch-enemy, Lex Luthor, knows he can only break in by killing his foe. Info on Dolphin artist Jay Scott Pike and the 1968 Academy Con. The Orphans of Space!, script by Jerry Siegel, art by Al Plastino; In his Fortress of Solitude, Superman disassembles a strange machine he found in space; When the machine explodes and destroys the Earth, Superman, Supergirl and Krypto are the only survivors. 36 Pages