Batman and Superman's alliance was torn apart years ago by the events of Injustice. But when Bruce Wayne receives unexpected visitors, he is reminded of a happier time when Clark was his savior. A time of the World's Finest friendship. The Red Lanterns, backed by the power of Starro, wage an all-out assault on Oa and the source of the Green Lanterns' power. But help is on the way in the form of the Titans, Blue Beetle, Booster Gold and ... Lobo? Get ready for a rumble like you've never seen before! Then, the fate of the world hangs in the balance as Starro and the Red Lanterns head toward Earth bent on destruction. Beetle, Booster and the Titans are in hot pursuit. Following close behind is Lobo, armed with a weapon that may do more harm than good. Collects Injustice 2 #31-36 and Annual #2.