DC Released May 1970

Superman #228

Low
$5
Mid
$12
High
$40
Published May 1970
Cover Price $0.15
Pages 36

THE MYSTERY BOMBERS! Two slave programmers from space impersonate Earth people and conduct a bombing campaign as part of a gimmick to siphon off knowledge from Superman. EXECUTION PLANET! After Superman inexplicably loses his powers, the Anti-Superman Gang capture him, auction off his costume, and send him in a rocket to the Execution Planet.