Warner Bros have an ace up their sleeve with Suicide Squad: the DC Comics bad guy mash-up that puts the likes of Harley Quinn (Margot Robbie), Deadshot (Will Smith) and The Joker (Jared Leto ...
Jack Nicholson's Joker in 1989's Batman and Jared Leto's Joker in Suicide Squad are both victims of this chemical accident.
interesting path in his incarnation of the Joker in Suicide Squad ... against shaving it off for the character, letting the makeup artist chalk it up instead, and what do you know?