Folie à Deux"? Joaquin Phoenix, Lady Gaga and director Todd Phillips break down the wild ending and Gaga's triumphant song.

Folie à Deux trailer Joaquin Phoenix gets his Joker smile from Lady Gaga's Harley Quinn in hallucinatory Joker: Folie à Deux trailer Joker: Folie à Deux director Todd Phillips explains musical ...

It takes only a few minutes for Joker to spell out the closest thing this movie has to a point. "Is it just me," Arthur (Joaquin Phoenix) asks, "or are things getting really crazy out there?" ...

Then, just out of focus in the background, we see him carve a smile into his face, an unmistakable nod to The Dark Knight's Joker's scars. Oh, brother. Why is Joker: Folie à Deux's reference to ...