is a striking one that features Joaquin Phoenix's Joker and Lady Gaga's Harley Quinn dancing under a light shining through a window. Could it be from inside the walls of Arkham State Hospital or a ...

Dieck as the Joker, alongside Mueller as Harley Quinn, ambushed Capital Indoor Stadium Friday with a chaotic rhythm dance that would make Commissioner Gordon do the twizzles. The dastardly German duo ...