Convergence: Zero Hour Book Two TPBA CONVERGENCE tie in graphic novel, starring the heroes of the 1990s! Once, there were infinite Earths. Then there came a Crisisa Zero Houra Flashpoint. Worlds lived. Worlds died. But some worlds must now fight for their futurein the Convergence! The evil alien intelligence known as Brainiac has stolen 50 doomed cities from throughout time and space and sealed them behind impenetrable domes. Now, after a year, the domes will come downand the heroes