| 0 | - | cover | 1 | pencils: John McCrea; inks: John McCrea; colors: Josh Myers | Hitman [Tommy Monaghan] |
| 1 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Carla Feeny | Hitman [Tommy Monaghan] |
| 2 | Ace of Killers Part One | comic story | 22 | script: Garth Ennis; pencils: John McCrea; inks: John McCrea; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Catwoman; Natt the Hat; Hitman [Tommy Monaghan]; Mawzir; Arkannonne [The Lords of Gunfire]; Sixpack; Sean Noonan; Markie Mantegna (death); Debbie Tiegel; Pete (death) |
| 3 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Carla Feeny | Catwoman; Hitman [Tommy Monaghan] |
| 4 | Ace of Killers Part Two | comic story | 22 | script: Garth Ennis; pencils: John McCrea; inks: John McCrea; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Mawzir; Natt the Hat; Hitman [Tommy Monaghan]; Catwoman; Debbie Tiegel; Sean Noonan; Sixpack; Jason Blood |
| 5 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Carla Feeny | The Demon; Hitman |
| 6 | Ace of Killers Part Three | comic story | 22 | script: Garth Ennis; pencils: John McCrea; inks: John McCrea; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Hitman [Tommy Monaghan]; Catwoman; Debbie Tiegel; Natt the Hat; Mawzir; Sixpack; Jason Blood; The Demon [Etrigan]; Kakk [Duke of Carnage] (death); Baytor |
| 7 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Josh Myers | Section Eight; Sixpack; Friendly Fire; Jean De Baton; Flemgem; Defenestator; Shakes; Dogwelder; Bueno Excellente |
| 8 | Ace of Killers Part Four | comic story | 22 | script: Garth Ennis; pencils: John McCrea; inks: John McCrea; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Baytor; The Demon [Etrigan]; Hitman [Tommy Monaghan]; Catwoman; Jason Blood; Shakes; Mawzir; Debbie Tiegel; Natt the Hat; Arkannonne; Section Eight [Bueno Excellente; Defenestator; Dogwelder; Flemgem; Friendly Fire; Jean De Baton; Sixpack] (introduction, origin) |
| 9 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Carla Feeny | Hitman [Tommy Monaghan]; Natt the Hat; Catwoman |
| 10 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Carla Feeny | Hitman; Catwoman; Mawzir |
| 11 | Ace of Killers Conclusion | comic story | 22 | script: Garth Ennis; pencils: John McCrea; inks: John McCrea; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Hitman [Tommy Monaghan]; Catwoman; Natt the Hat; Etrigan; Mawzir; Debbie Tiegel; Section Eight [Bueno Excellente; Defenestator; Dogwelder; Flemgem; Friendly Fire; Jean De Baton; Sixpack]; Baytor |
| 12 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Josh Myers | Hitman |
| 13 | Kiss Me | comic story | 22 | script: Garth Ennis; pencils: Steve Pugh; inks: Steve Pugh; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Hitman [Tommy Monaghan]; Baytor; Deborah Tiegel; Hacken; Natt the Hat; Ringo Chen; Sean Noonan; Sixpack; 2-Dogz (introduction, villain, death); Lefty Lugano (introduction, villain, death); Tiegel's mother; Tiegel's grandfather |
| 14 | - | cover reprint (on interior page) | 1 | pencils: John McCrea; inks: John McCrea; colors: Carla Feeny | Hitman; Santa Claus |
| 15 | The Santa Contract | comic story | 22 | script: Garth Ennis; pencils: John McCrea; inks: Steve Pugh; colors: Carla Feeny, Heroic Age; letters: Willie Schubert | Hitman [Tommy Monaghan]; Natt the Hat; Sean Noonan; Bob Smurd (introduction, death); Batman (cameo); Jean de Baton-Baton; Pokranski; Sixpack; Sister Concepta (introduction) |