Batman: Bane of the Demon #1 - #4

Catwoman #33 - #35

Legacy' Prelude! Batman learns that the plague that almost destroyed Gotham City in 'Contagion' has reappeared elsewhere—and Robin may still have it! Forced to leave the city to learn the truth, the Dark Knight reluctantly leaves Gotham's care in the hands of the Huntress.

Continues in Batman #533 -- Legacy Prelude: Twelve Steps to the Heart of Hell