The Harley Quinn Story Pack is the first DLC pack for Batman: Arkham Knight. It originally released for pre-order DLC on June 23rd, 2015 but later became available for other players on August 2015. The DLC focuses on Harley Quinn before Arkham Knight in which she rescues Poison Ivy from Blüdhaven. It is the very first Arkham Episode.
- Pre-order: June 23rd, 2015
- General audiences: August 2015
- Included in Season Pass