The New York Times wondered if the death of this actor, who plays the Joker, will make "The Dark Knight" darker
It 
left many fans wondered whether his performance could ever be... [DOC] [TLE] HEATH'S LAST ROLE | New York Post [PAR] Jul 13, 2008 ... And how will the shadow of his untimely drug-overdose death affect how we see 
him ... particularly the graphic novels "The Dark Knight Returns" and "The Killing 
Joke," ...