Justice League Unlimited #10

THE MARCH TO APOKOLIPS CONTINUES! The Quantum Quorum of time-traveler refugees has issued its warning to the Justice League: Apokolips is coming. But just as Jor-El's cries fell on the deaf ears of Krypton, will the people of Earth be prepared to take drastic steps to save their world? It all comes to a head as the chaos continues, and one Leaguer is put to the ultimate test!