Stranded in space after Darkseid's attack, the Super Powers team must board a seemingly derelict ship. Mxyzptlk returns to cause more mischief by manipulating Bizarro to cause havoc on Earth.
Brainiac schemes to make Cyborg his minion. Felix Faust and Penguin escape from prison, only to have the Penguin steal Superman's powers Faust intended for himself.
While he and Firestorm were in a mission in space, Superman suffers a massive kryptonite poisoning and dies; from all the corners of the galaxy, people come to show their respects for the fallen "Man of Steel".
A brilliant Japanese industrialist is kidnapped and replaced with a robot by the forces of evil. A mysterious island appears. Aquaman is attacked by a robot.