Brainiac

Action Comics #242 (The Super-Duel in Space)

Action Comics #544-546

Superman v1 #167

Whatever Happened to the man of Tomorrow

Adventures of Superman #438

Panic in the Sky : Action Comics #866-870 (Brainiac)
 * Action Comics #674
 * Superman Man Of Steel #9
 * Superman v2 #65 (Second Strike)
 * Adventures of Superman #488
 * Action Comics #675
 * Superman Man Of Steel #10
 * Superman v2 #66
 * Adventures of Superman #489

Superman Adventure #3

Superman Adventures #22-23 (War Games)

Superman Adventures #39