Joker is a drama film directed by Todd Phillips and starring Joaquin Phoenix that screened at the Venice Film Festival on August 31, 2019, and was released in the United States on October 4, 2019.
The film tells the story of Arthur, a troubled comedian in the 1980s who gradually suffers a nervous breakdown and embarks on a career of insane crime in Gotham City, eventually becoming Batman's Nemesis.