Justice League of America: Worlds Collide v. 6
by Dwayne McDuffie

Calling itself The Shadow Cabinet, a group of stunningly powerful superhumans has appeared seemingly out of nowhere, threatening to steal the mortal remains of one of the League’s deadliest enemies. What sinister force lurks in the shadows behind the battle? And even if the League comes out on top, will personal rivalries and sudden departures destroy the team from within?