WATCH: "Joker" (Joaquin Phoenix) - Official Teaser Trailer

"Joker"
Photo credit Photo: courtesy of Warner Bros.
Today, Warner Bros. released the 1st official teaser trailer for Joker.
According to IMDB, "A failed stand-up comedian is driven insane and becomes a psychopathic murderer."

Take a look!

This could be exactly what Joaquin Phoenix needs to return him to the movie spot-light.

Joker... in theaters Friday Oct. 4.