David Ayer wishes he had a "time machine" to make changes to 'Suicide Squad'. The 49-year-old director received mixed reviews for his work on the 2016 ensemble movie which banded together some of DC Comics' most terrifying villains, and has now said he wishes he had the chance to "engineer a more grounded story" for popular super villain The Joker (played by Jared Leto). He said: "I understand [this 'Suicide Squad' film] is a bit of an introduction to The Joker.