| 0 | - | cover | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn; Penguin |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Hi-Fi | Harley Quinn |
| 2 | Batter Up, Part One | comic story | 20 | script: Frank Tieri; pencils: Inaki Miranda; inks: Inaki Miranda; colors: Jeremiah Skipper; letters: Dave Sharpe | Harley Quinn; Tony Delfin; Coach [Holly Hamden]; Gang of Harleys [Carly Quinn; Harlem Harley; Bolly Quinn; Harvey Quinn; Hanupuinn; Harley Queens]; Egg Fu; Goat Boy; Red Tool; Chief Harry Spoonsdale; Kirk Langstrom; Jeremiah Arkham; Francine Langstrom [She-Bat]; Black Mask (cameo); Riddler (cameo); |
| 3 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Hi-Fi | Harley Quinn |
| 4 | Batter Up, Part Two | comic story | 20 | script: Frank Tieri; pencils: Inaki Miranda; inks: Inaki Miranda; colors: Alex Sinclair; letters: Dave Sharpe | Harley Quinn; Gang of Harleys [Bolly Quinn; Harvey Quinn; Harlem Harley; Harley Queens; Hanupuinn; Carly Quinn]; Coach [Holly Hamden]; Egg Fu; Goat Boy; Red Tool; Tony Delfin; Frank Frank; Kirk Langstrom; Francine Langstrom [She-Bat]; Penguin; Lark |
| 5 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn; Penguin |
| 6 | Angry Bird, Part One | comic story | 20 | script: Frank Tieri; pencils: Mirka Andolfo; inks: Mirka Andolfo; colors: Alex Sinclair; letters: Dave Sharpe | Harley Quinn; Penguin; Lark; Tony Delfin; Egg Fu; Goat Boy; Gang of Harleys [Carli Quinn; Harlem Harley; Bolly Quinn; Harvey Quinn; Hanuquinn; Harley Queens]; Coach [Holly Hamden]; Chief Spoonsdale; Maurice; Pierre; Solomon Grundy; Mr. Freeze; Killer Croc; Riddler; Condiment King; Mad Hatter (cameo) |
| 7 | - | cover reprint (on interior page) | 1 | pencils: Darwyn Cooke; inks: Amanda Conner; colors: Paul Mounts | Harley Quinn [Harleen Quinzel]; Pierre; Maurice |
| 8 | Angry Bird, Part Two | comic story | 20 | script: Frank Tieri; pencils: Mirka Andolfo, Eleonora Carlini; inks: Mirka Andolfo, Eleonora Carlini; colors: Alex Sinclair; letters: Dave Sharpe | Harley Quinn; Tony Delfin; Egg Fu; Gang of Harleys [Bolly Quinn; Carli Quinn; Coach; Hanuquinn; Harlem Harley; Harley Queens; Harvey Quinn]; Goat Boy; Red Tool; Sy Borgman; Condiment King; Egghead (first appearance); Film Freak; Gorilla Gang [Bingo; Caesar; Joe; King; Magilla]; Johnny Karaoke (first |
| 9 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn; Mr. Zsasz |
| 10 | Angry Bird, Part Three | comic story | 20 | script: Frank Tieri; pencils: Inaki Miranda; inks: Inaki Miranda; colors: Alex Sinclair, Jeremiah Skipper; letters: Dave Sharpe | Harley Quinn; Penguin; Mr. Zsasz; Killer Croc; King Shark; Lark; Condiment King; Tweedledee; Signalman; Ventriloquist; Scarface; Hugo Strange; False Face; Chief Spoonsdale; Red Tool; Coach [Holly Hamden]; Pierre; Maurice; Scarecrow (cameo); Killer Moth (cameo); Black Spider (cameo); Amygdala (cameo) |
| 11 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | |
| 12 | Angry Bird, Part Four | comic story | 20 | script: Frank Tieri; pencils: John Timms, Moritat; inks: John Timms, Moritat; colors: Alex Sinclair, Jeremiah Skipper; letters: Dave Sharpe | Harley Quinn; Mr. Freeze; Killer Croc; Hugo Strange; Scarface; Ventriloquist; Tweedledee; Tweedledum; Egghead; Lark; Ratcatcher; Red Tool; Gang of Harleys [Harley Queens; Harvey Quinn; Carli Quinn; Bolly Quinn; Harlem Harley; Hanuquinn]; Coach [Holly Hamden]; Frank Frank; Egg Fu; Tony Delfin; Goat B |
| 13 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Alex Sinclair | Harley Quinn; Penguin; Killer Croc; Riddler; Mr. Freeze; Scarface |
| 14 | Angry Bird, Finale | comic story | 20 | script: Frank Tieri; pencils: Inaki Miranda, Moritat; inks: Inaki Miranda, Moritat; colors: Jeremiah Skipper; letters: Dave Sharpe | Harley Quinn; Penguin, Lark; Killer Croc; Mad Hatter; Batzarro; Ten-Eyed Man; KGBeast; Black Spider; Colonel Blimp; Crazy Quilt; Amygdala; Scarecrow; Solomon Grundy; Riddler; Condiment King; Catwoman; Poison Ivy; Power Girl; Red Tool; Gang of Harleys [Harlem Harley; Hanuquinn; Harley Queens; Harvey |
| 15 | - | cover reprint (on interior page) | 1 | pencils: Amanda Conner; inks: Amanda Conner; colors: Paul Mounts | |
| 16 | Old Lady Harley | comic story | 20 | script: Frank Tieri; pencils: Mauricet; inks: Mauricet; colors: Paul Mounts; letters: Dave Sharpe | |
| 17 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel] |
| 18 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Man-Bat |
| 19 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn |
| 20 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Killer Croc [Waylon Jones] |
| 21 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Penguin [Oswald Cobblepot] |
| 22 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | Harley Quinn [Harleen Quinzel]; Poison Ivy [Pamela Isley]; Scarecrow [Jonathan Crane] |
| 23 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | |
| 24 | - | cover reprint (on interior page) | 1 | pencils: Frank Cho; inks: Frank Cho; colors: Sabine Rich | |