The teaser trailer is here for the movie based on the popular Batman villain "The Joker". The character has always had a mysterious background story and this movie looks to develop an understanding into what made him a psychopathic villain.
Directed by Todd Phillips (The Hangover series) and interestingly names Bradley Cooper as one of it's producers.
The film stars Joaquin Phoenix as the Joker and co stars Zazie Beetz and Robert De Niro.
It's set for an October 3rd release.