Complete the indicated task to unlock the corresponding costume.

Adam West: PlayStation exclusive pre-order bonus; available to All Season Pass owners in Fall 2015.
Anime Batman: Sign into the game with a WBPlay account.
Batman 1st Appearance: Amazon pre-order bonus; or included in Serious Edition.
Batsuit v.7.43: Available by default.
Batsuit v.8.03: Progress through the storyline.
Flashpoint: Included in Premium Edition or All Season Pass.
New 52: Free DLC costume.
The Dark Knight Returns: Included in Gotham's Future Skin Pack on Steam.