Cell Block A Access is a location in Blackgate Prison in Batman: Arkham Origins
It is the first location that Batman comes to in the game, during the Blackgate Prison Intro. Batman comes here after hearing reports that Black Mask has invaded the prison and that Commissioner Loeb is being held captive
At the beginning of the game, Batman comes here after hearing that Black Mask has organized a breakout, and that Commissioner Loeb has been taken captive