The wait is over! The long-awaited trailer for "Joker" starring Joaquin Phoenix has been released! The tagline for the film is "Put on a happy face." Check it out! Directed by Todd Phillips, "Bridesmaids" and "The Hangover", which is a bit of a departure from his comedy movies. "Joker" is produced by Martin Scorsese and stars Robert Di Niro, Frances Conroy, and Zazie Beetz. In theaters this October.