The filming was done on Batman, the Dark Knight, when Heath Ledger died. However his death dramatically changed the marketing campaign for the movie.
Heath Ledger became obsessed with his character the Joker in The Dark Knight. He then died while filming the movie The Imaginarium of Dr. Parnassus.
it didn't some say he just couldn't get out of his roll as the joker but close friends say that just wouldn't happen im his wifee :/ R.I.P heath babe love youu xx
Heath Ledger died on January 22, 2008 at the age of 28.
imaginarium of Doctor Parnassum
Heath Andrew Ledger (4 April 1979 - 22 January 2008) aged 28.