Batman: HUSH 2 by Jeph Loeb

Two legendary creators, one incredible story! Jeph Loeb and Jim Lee return to the Batman saga that changed the Dark Knight forever with the sequel to the original Hush, H2SH!

A mysterious villain from Batman’s past has returned, leaving the Dark Knight’s world upended. Now he must use ever resource and every tool in his belt to save both his city and himself. From the legendary creators Jeph Loeb and Jim Lee, the sequel to the original Hush saga has finally arrived, heralding a new age for Gotham and everyone who lives there.
Collects Batman #158-163