DC Released August 1969

Superman #220

Low
$10
Mid
$30
High
$100
Published August 1969
Cover Price $0.15
Pages 36

WHO STOLE MY SUPER-POWERS? Superman and the Flash switch costumes during a space mission against a malevolent plant intelligence, but are beaten, given amnesia, and thrown back to Earth separately. When they awaken, Flash thinks that he must be Superman, and Superman believes he is the Flash.