Superman #106

SUPERMAN'S FIRST EXPLOIT Dr. Reese Kearns, once discredited for panicking Metropolis with a meteor "hoax", gets the Daily Planet to run a contest in search of Superman's earliest super-feat. When pressed for the answer, Superman uses his super-memory to recall an incident in which, as baby Kal-El, he briefly emerged from Jor-El's rocket, fought a crystalline insect on a meteor, and then pushed off from the meteor to return to his rocket. THE THEFT OF CLARK KENT Clark Kent steals four meteors which are actually Green Kryptonite coated with lead from a strange space cloud. Later, Superman clears Clark Kent's name. THE SUPER-OUTLAW OF METROPOLIS Lex Luthor creates an alloy that picks up energy Superman uses in his super-feats and transmits it to a suit of electronic armor he has invented. The suit gives Luthor all of Superman's powers.