The much anticipated Nightwing bundle is now available for Batman: Arkham City. It’s 560 Microsoft Points on XBL or $6.99 on the PSN. The Robin DLC will be available November 22nd.

From the press release:

    Warner Bros. Interactive Entertainment and DC Entertainment are pleased to announce that the highly anticipated Nightwing Bundle Pack is available today on Xbox LIVE® Marketplace for 560 Microsoft Points and PlayStation®Network for £5.49

    Nightwing comes complete with his own unique gadgets and special moves, and is playable in all challenge maps in the game, as well as two additional challenge maps that are included with the pack: Wayne Manor and Main Hall. The pack also contains a bonus Animated Series Nightwing character skin

    The Robin Bundle Pack will also become available on November 22 to all owners of the game for the same price.