Advertisement'The LEGO Batman Movie' Drags The Caped Crusader Out Of The Shadows (Again)February 08, 2017Glen WeldonfacebookEmail"We cool, bro, or nah-nah-nah-nah-nah-nah-nah-nah-nah-nah-nah-nah-nah?" Will Arnett voices the Dark Knight in The LEGO Batman Movie. (Courtesy of Warner Bros. Picture)