Warner Bros. Interactive Entertainment and DC Entertainment has announced Batman: Arkham Knight’s monthly DLC content for September, with the highlight being a GCPD Story Pack featuring Nightwing.

Included in the September selection of DLC for Arkham Knight is the 2008 Tumbler Batmobile Pack, the Original Arkham Batman Skin, the GCPD Lockdown Story Pack, and the Crime Fighter Challenge Pack #2.

The 2008 Tumbler Batmobile Pack and the Original Arkham Skin is available to download from today and is free for those with the Season Pass.

On Tuesday, September 29 you’ll be able to download the Crime Fighter Challenge Pack #2, which includes challenge maps for Batman, Nightwing, Robin, Catwoman, and the Batmobile. Also available will be the GCPD Lockdown Story Pack, which has you take control of Nightwing after the events of Arkham Knight as you try to stop the Penguin from breaking out of the Gotham City Police Department.

October’s Arkham Knight downloadable content will see the release of the Batman Classic TV Series Batmobile Pack, the Catwoman’s Revenge Story Pack, and the Crime Fighter Challenge Pack #3. No specific release date has been announced.

Batman: Arkham Knight released in July this year, and we gave it a perfect score, calling it a “fitting end to Rocksteady’s incredible Arkham series.” You can read our full review here.