Batman / Grendel

A 2008 one-shot from Planeta DeAgostini, this comic brings Batman into direct conflict with Matt Wagner's Grendel. The single issue pits the Dark Knight's detective and combat skills against the Hunter Rose incarnation of the Grendel, a master strategist and killer. It's a notable meeting of two iconic vigilantes from different publishers, orchestrated by Wagner himself, who wrote and illustrated the crossover.