HITMAN VOL 4: ACE OF KILLERS TPB by Garth Ennis, John McCrea

Super powered hitman Tommy Monaghan enlists the help of Catwoman and The Demon to battle a well armed demon. Angered by Tommy’s previous attack, the Arkannone, a cabal of creatures residing in Hell, send the 10-foot tall skeletal demon Mawzir on a mission of revenge. Realizing that x-ray vision and telepathy are no match for the six-armed, artillerytoting hell spawn, Hitman sends Catwoman and Etrigan the Demon on a quest to hell to retrieve the one weapon that can stop Mawzir: the gun known as the Ace of Killers. Collects HITMAN #15-22!