Absolute Superman/Batman Vol. 2 — Jeph Loeb

The World's Finest join forces in this reality-bending tale, Superman and Batman rule the Earth with an iron fist, with humanity bending to their will. Before long, the World's Finest Duo is sent careening through a series of bizarre alternate Earths, facing an assortment of classic DC characters including Darkseid, Lex Luthor, Superwoman, Kamandi, Sgt. Rock, Haunted Tank, and many more.

Collects Superman/Batman issues #14-26. Extras include pencilled pages and character sketches.