Watch Batman: Assault on Arkham (2014) HD Full Movie Free on SolarMovie. Watch Batman: Assault on Arkham (2014) online free. Batman works desperately to find a bomb planted by the Joker while Amanda Waller hires her newly for...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.