Can anything stop the Metagene pandemic unleashed through the events of JUSTICE LEAGUE: NO JUSTICE? The all-new Titans are on the case. Roll call: Nightwing, Donna Troy, Raven, Steel, Beast Boy and Miss Martian! But can even their combined might stand against new super-powered weapons of mass destruction birthed by the Metagenes? And (SPOILERS) how will the events of TEEN TITANS #20 come back to haunt the Titans? New enemies are out for blood in part one of "The Spark."