We see the last glimpse of Joaquin Phoenix's transformation into the 'Joker' in a chilling final trailer for the upcoming film.
The psychological thriller will see Phoenix transition into a villain after suffering from a number of grim setbacks. See the trailer below.
The trailer ends with Joker being invited onto the late night show, hosted by Robert De Niro, where he wants to be introduced as 'The Joker.'
'Joker' is set to arrive in theaters on October 4.