Robert De Niro is in talks to join the upcoming DC film **Joker**. TheWrap reports De Niro would play a talk show host that plays a role in the Joker’s origins. Todd Phillips will direct the film. Joaquin Phoenix is set to star. Zazie Beetz is also in talks to star in the film as a single mother whom the Joker takes interest in. **Joker** is set to hit theaters October 4, 2019.