Joker 2 trailer: Steve Coogan questions the villain and Joaquin Phoenix sings

Steve Coogan has appeared in the trailer for the second Joker film (Ian West/PA)

English comedian and actor Steve Coogan has popped up in the first trailer for Joker: Folie A Deux.

In the Todd Phillips-directed sequel, Joaquin Phoenix reprises his Oscar-winning role as it follows Arthur Fleck – known as the deranged villain the Joker – opposite Lady Gaga as the queen of chaos Harley Quinn.