AN ALL-OUT WAR ON ANTI-LIFE! The Justice Squadron and Darkseid's forces go head-to-head in the last stand for Earth's safety! The Squadron has brand-new mechs with Nth metal frames, but will it be enough to stop the wrath of Darkseid's best generals? And will Batman be able to stop Superman before he takes his revenge on the tyrant who destroyed Krypton? An intergalactic war 80 years in the making ends here!