Batman City Of Madness #2 (Of 3) Cover B Bill Sienkiewicz Variant (Mature)

The Court of Owls summons Batman, demanding he venture deep beneath the city to fight what has been unleashed from its depths: a wave of madness infecting Gotham's villains, driven by the monstrous creature they're calling the Batman Below. But the Court has not-entirely-noble reasons for wanting this chaos stopped... Is Batman their weapon, or their bait?