| 0 | - | cover | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | Harley Quinn [as Hammer Harleen] |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Romulo Fajardo Jr. | Harley Quinn [as Hammer Harleen]; Darkseid (statue) |
| 2 | Harley Quinn vs. Apokolips, Part One | comic story | 20 | script: Sam Humphries; pencils: John Timms; inks: John Timms; colors: Gabe Eltaeb; letters: Dave Sharpe | Harley Quinn [also as Hammer Harleen]; Granny Goodness; Female Furies [Lashina, Bernadeth; Petite Tina (cameo)]; Sharon Quinzel; Coach [Holly Hamden]; Deep Six |
| 3 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | Harley Quinn [as Hammer Harleen] |
| 4 | Harley Quinn vs. Apokolips, Part Two | comic story | 20 | script: Sam Humphries; pencils: John Timms; inks: John Timms; colors: Gabe Eltaeb; letters: Dave Sharpe | Harley Quinn [as Hammer Harleen]; Female Furies [Stompa; Mad Harriet; Gilotina; Bernadeth]; Granny Goodness; Petite Tina; Coach [Holly Hamden] |
| 5 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | Harley Quinn [as Hammer Harleen] |
| 6 | Harley Quinn vs. Apokolips, Part Three | comic story | 20 | script: Sam Humphries; pencils: John Timms; inks: John Timms; colors: Gabe Eltaeb; letters: Dave Sharpe | Harley Quinn [also as Hammer Harleen]; Granny Goodness; Petite Tina; Bernadeth; Lobo; Dickey Duncan; Coach [Holly Hamden] (cameo) |
| 7 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Tomeu Morey | |
| 8 | Clown for Hire, Part 1 of 2 | comic story | 20 | script: Sam Humphries; pencils: Alisson Borges; inks: Alisson Borges; colors: Gabe Eltaeb; letters: Dave Sharpe | |
| 9 | - | cover reprint (on interior page) | 1 | pencils: Guillem March; inks: Guillem March; colors: Arif Prianto | |
| 10 | Clown for Hire, Part 2 of 2 | comic story | 20 | script: Sam Humphries; pencils: Alisson Borges; inks: Alisson Borges; colors: Gabe Eltaeb; letters: Dave Sharpe | |
| 11 | - | cover reprint (on interior page) | 1 | pencils: John Timms; inks: John Timms; colors: John Timms | Harley Quinn |
| 12 | One of My Turns, Part One | comic story | 20 | script: Christopher Sebela; pencils: Mirka Andolfo; inks: Mirka Andolfo; colors: Gabe Eltaeb; letters: Dave Sharpe | Harley Quinn; Reaper (cameo); Professor Pyg (flashback) |
| 13 | - | cover reprint (on interior page) | 1 | pencils: Bilquis Evely; inks: Bilquis Evely; colors: Mat Lopes | |
| 14 | One of My Turns, Part Two | comic story | 20 | script: Christopher Sebela; pencils: Mirka Andolfo, Max Raynor; inks: Mirka Andolfo, Max Raynor; colors: Gabe Eltaeb; letters: Dave Sharpe | |
| 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; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Parademons |
| 18 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel] |
| 19 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Frank Cho | |
| 20 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Supergirl (in a poster) |
| 21 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Frank Cho | |