Written by: Garth Ennis Pencils by: John McCrea. Ace of Killers Part 1 Another tightly penned tale of crime and supernatural exploits begins when the Mawzir returns to pay Tommy back for the humility he experienced at his hands. However, there is one gun that is powerful enough to kill the Mawzir; the only problem? It has been stolen by Catwoman! Cover price $2.25.