Batman Arkham Knight Releasing in June 2015

Warner Bros. has announced that Rocksteady's final instalment in the Arkham series, Batman: Arkham Knight, will be released on June 2nd, 2015. 

To coincide with the release date's reveal, the game's Limited and Batmobile editions have also been announced: 

Batman: Arkham Knight Limited Edition will include:

•  Custom Art Book – 80 Page, Full Colour Art Book Showcasing the concept art of Batman Arkham Knight
• Limited Edition SteelBook™ – Unique SteelBook™ case and game disc
• Comic Book – Limited Edition DC Comics Batman: Arkham Knight #0 Comic Book
• Exclusive Character Skin Pack – Three Unique Skins from DC Comics – The New 52
• Batman Memorial Statue – Imposing statue commemorating Gotham’s Protector, the Dark Knight 

Batman: Arkham Knight Batmobile Edition will include:

• Custom Art Book – 80 Page, Full Colour Art Book Showcasing the concept art of Batman Arkham Knight
• Limited Edition SteelBook™ – Unique SteelBook™ case and game disc
• Comic Book – Limited Edition DC Comics Batman: Arkham Knight #0 Comic Book
• Exclusive Character Skin Pack – Three Unique Skins from DC Comics – The New 52
• Transforming Batmobile Statue – Fully transformable Batmobile statue realised in exquisite detail by TriForce

Arkham Knight was originally due for release this year before being pushed back to 2015 and was expected to release much earlier in the year. Regardless, it's coming to PC, PS4, and Xbox One and Rocksteady has described the game as the "ultimate Batman simulator".