Batman: Assault on Arkham (2014)

Directed by Jay Oliva and Ethan Spaulding and featuring the voices of Kevin Conroy, Neal McDonough and Troy Baker, Batman: Assault on Arkham follows Amanda Waller’s Suicide Squad as they infiltrate Arkham Asylum to recover classified information stolen by the Riddler. Their mission becomes increasingly dangerous when Harley Quinn releases the Joker, forcing Batman into a conflict involving both the Squad and his most dangerous enemy. Set in the universe of the Batman: Arkham video games, the film takes place between Arkham Origins and Arkham Asylum.

Från IMDB:
Batman works desperately to find a bomb planted by the Joker while Amanda Waller hires her newly formed Suicide Squad to break into Arkham Asylum to recover vital information stolen by the Riddler.