Batman: Arkham Knight announced for PS4, Xbox One, and PC, and you'll be able to drive the Batmobile - GameSpot

[UPDATE] Batman: Arkham Asylum and Arkham City developer Rocksteady behind the fourth instalment in the Arkham series, with a release date of 2014 mentioned.
Batman: Arkham Origins is the latest entry in the Batman Arkham series that will see a younger Caped Crusader facing many noted villains for the first time, including Deathstroke.

Batman: Arkham Knight Review (IGN) : r/Games

NSFW] [Spoilers] Arkham Knight really took advantage of it's Mature rating in the last DLC! : r/gaming

Batman: Arkham Knight Special Edition PS4 Announced - GameSpot

Batman: Arkham Knight Special Edition PS4 Announced - GameSpot

Official Batman: Arkham Knight -- Batmobile Battle Mode Reveal (PS4)

Batman: Arkham Knight [PC, PS4, X1] - Pagina 6

According to Batman: Arkham Trilogy FAQ Page, Arkham Asylum is only included on cartridge. Batman: Arkham City and Batman: Arkham Knight will require an online connection to download and install. : r/Games

Batman: Arkham Knight Review - GameSpot

New 'Batman: Arkham Knight' Batmobile trailer hints at new mode, reveals 2015 delay (video)

Batman: Arkham Asylum News - GameSpot

New Batman: Arkham Knight details, no multiplayer, and getting the best out of Xbox One/PS4 - GameSpot

Batmobile - Wikipedia

Batman: Arkham Knight 'Time To Go To War' gameplay video, screenshots - Gematsu

Batman Arkham Knight Models Of The League of Assassins Discovered In The PC Version