WRITTEN BY JEPH LOEB; ART AND COVER BY ED MCGUINNESS AND DEXTER VINES Teaming DC's two mightiest heroes in one action-packed monthly book! Badly injured, Superman and Batman must make it back to the Batcave, where they confront the most unexpected guest-star of the year! Plus, Lex Luthor makes a startling announcement that will have an impact on the lives of both heroes!