| 0 | - | cover | 1 | pencils: Julian Totino Tedesco; inks: Julian Totino Tedesco; colors: Julian Totino Tedesco | Harley Quinn [Harleen Quinzel] |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn; Bernie; Nathan |
| 2 | Harley Quinn Destroys DC Continuity | comic story | 38 | script: Sam Humphries; pencils: John Timms, Whilce Portacio, Agnes Garbowska, John McCrea, Kelley Jones, Jon Davis-Hunt; inks: John Timms, Whilce Portacio, Agnes Garbowska, John McCrea, Kelley Jones, Jon Davis-Hunt; colors: Alex Sinclair, Gabe Eltaeb, John Kalisz, Michelle Madsen, Andrew Dalhouse, Romulo Fajardo Jr.; letters: Dave Sharpe | Harley Quinn; Sharon Quinzel; Jonni DC; Meredith Clatterbuck; Anti-Monitor; Captain Triumph [Lance Gallant] (cameo) |
| 3 | The Return of Captain Triumph | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | Harley Quinn; Captain Triumph |
| 4 | Triumph, Part One | comic story | 20 | script: Sam Humphries; pencils: Sami Basri; inks: Sami Basri; colors: Alex Sinclair; letters: Dave Sharpe | Harley Quinn; Captain Triumph [Lance Gallant]; Jonni DC; Sharon Quinzel; Pawn Twelve; Joker (flashback); Wonder Girl (cameo); Troia (cameo); Donna Troy (cameo); Donna Troy [Darkstar] (cameo) |
| 5 | - | cover reprint (on interior page) | 1 | pencils: Julian Totino Tedesco; inks: Julian Totino Tedesco; colors: Julian Totino Tedesco | Harley Quinn [Harleen Quinzel] |
| 6 | Triumph, Part Two | comic story | 20 | script: Sam Humphries; pencils: Sami Basri; inks: Sami Basri; colors: Alex Sinclair; letters: Dave Sharpe | Harley Quinn [Harleen Quinzel]; Captain Triumph [Lance Gallant]; Jonni DC; Three Witches [Mordred; Mildred; Cynthia]; Michael Gallant; Kim Meredith; Biff the Clown; Freedom Fighters [Ray; Miss America; Midnight; Red Bee]; Sharon Quinzel; Minor Disaster (cameo) |
| 7 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | |
| 8 | Minor Disasters! Part One | comic story | 20 | script: Sam Humphries; pencils: Lucas Werneck; inks: Lucas Werneck; colors: Alex Sinclair; letters: Dave Sharpe | |
| 9 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Arif Prianto | |
| 10 | Minor Disasters! Part Two | comic story | 20 | script: Sam Humphries; pencils: Lucas Werneck; inks: Lucas Werneck; colors: Gabe Eltaeb; letters: Dave Sharpe | |
| 11 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | |
| 12 | Pettergate | comic story | 20 | script: Mark Russell; pencils: Mirka Andolfo; inks: Mirka Andolfo; colors: Arif Prianto; letters: Dave Sharpe | |
| 13 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel] |
| 14 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Joker (a toy) |
| 15 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel] |
| 16 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel] |
| 17 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho | |
| 18 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel] |