Christopher Nolan reprised his duties as director, and brought his brother, Jonathan, to co-write the script for the second installment. The Dark Knight featured Christian Bale reprising his role as Batman/Bruce Wayne, Heath Ledger as The Joker and Aaron Eckhart as Harvey Dent / Two-Face. Principal photography began in April 2007 in Chicago and concluded in November. Other locations included Pinewood Studios, Ministry of Sound in London and Hong Kong. On January 22, 2008, after he had completed filming The Dark Knight, Ledger died from a bad combination of prescription medication. Warner Bros. had created a viral marketing campaign for The Dark Knight, developing promotional websites and trailers highlighting screen shots of Ledger as the Joker, but after Ledger's death, the studio refocused its promotional campaign.
The film received highly positive reviews, and set numerous records during its theatrical run. With over $1 billion in revenue worldwide, it is the sixteenth-highest-grossing film of all time, unadjusted for inflation. The film received eight Academy Award nominations; it won