Superman: Bk. 2: Our Worlds at War

The ultimate conquering force has been unleashed upon the universe and is heading towards Earth, leaving a path of devastation in its wake...In the second searing volume of this epic two-part series, the war with Imperiex is going badly for Superman and his many allies. A JLA member has been killed, and the casualties are mounting ever higher, with many other heroes either dead or missing in action. As the heroes (and some villains!) of the world try to turn the tide of battle in their favour, super-villain Brainiac 13 secretly enters the war, seeking to harness the awesome power of Imperiex for his own ends!