 This story was "imaginary" and thus was ignored in subsequent books.In "Superman" #188 (April 1966), Superman is killed by kryptonite radiation but is revived in the same issue by one of his android doppelgangers.In the 1990s "The Death and Return of Superman" story arc, after a deadly battle with Doomsday, Superman died in "Superman" #75 (Jan. 1993).