Question: how do you unlock all characters in lego batman 2?
Answer: Alfred (Civilian) How to unlock: You must first collect 35 Gold Bricks to do this. ... 
Aquaman (Hero) ... 
Bane (Villain) ... 
Batgirl (Hero) ... 
Batman (Hero) ... 
Bizarro (Villain) ... 
Black Adam (Villain) ... 
Black Canary (Hero)