(Paperback)

The Dark Knight continues his crusade as defender of Gotham City, taking on his greatest foes during a breakout at Arkham Asylum. But when his enemies gain powers and abilities far beyond their normal capacities, the Caped Crusader's crusade may finally be at an end!

(Paperback)

Massive, climatic disturbances are wreaking havoc with the planet - underwater volcanic eruptions, tidal waves crashing over whole cities, and snowstorms burying entire countries - and even the assemblage of the Ultimate U's mightiest is no match for this worldwide destruction.