Superman/Batman, Vol. 3: Absolute PowerJeph LoebSuperman Post-Crisis (Jeph Loeb), book 58

Characters in Superman/Batman, Vol. 3: Absolute Power

4 characters, main characters first.

Supporting characters

Human Bomb
Bruce Wayne
Also in Superman/Batman, Vol. 2: Supergirl, Superman/Batman, Vol. 4: Vengeance, Batman, Hush
Ra's al Ghul
Also in Hush
Superman
Also in Superman/Batman, Vol. 2: Supergirl, Hush, Superman for All Seasons