Superman: 3-2-1 Action!Kurt Busiek, Mark EvanierSuperman by Kurt Busiek, book 6

Characters in Superman: 3-2-1 Action!

5 characters, main characters first.

Supporting characters

The Kryptonite Man
The Guardian
Darkseid
Jimmy Olsen
Also in Superman: Up, Up, and Away!, Superman: Redemption
Superman
Also in Superman: Up, Up, and Away!, Superman: Back in Action, Superman: Redemption, Superman: Camelot Falls, Vol. 2: The Weight of the World