The World's Greatest Heroes have faces countless threats and the deadliest of enemies and have barley come out alive each time. So what happens when Mageddon — the doomsday weapon of the Old God — attempts to end all of existence...at the same time the JLS's greates foes band together as a brand new Injustice Gang? World War III is upon us and could be the end of the Justice League...and the world. In JLA Vol. 4, critically acclaimed writers Grant Morrison (ACTION COMICS, BATMAN INCORPORATED) and Mark Waid (SUPERMAN: BIRTHRIGHT)  continue their groundbreaking work on DC's finest super team! Featuring art by Howard Porter, Mark Pajarillo, Steve Scott and others, this volume collects JLA #32-46.