

Many filmmakers sought to repeat its success by emulating its gritty, realistic tone to varying degrees of success.

It is considered the "blueprint" for many modern superhero films, particularly for its rejection of a typical comic-book movie style in favor of a crime film that features comic-book characters. Since its release, The Dark Knight has been assessed as one of the greatest superhero films ever made, one of the best movies of the 2000s, and one of the best films ever made. It broke several box-office records and became the highest-grossing 2008 film, the fourth-highest-grossing film of its time, and the highest-grossing superhero film. When it was released in July, The Dark Knight received acclaim for its mature tone and themes, visual style, and performances-particularly that of Ledger, who received many posthumous awards including Academy, BAFTA, and Golden Globe awards for Best Supporting Actor, making The Dark Knight the first comic-book film to receive major industry awards. Ledger died from an accidental prescription drug overdose in January 2008, leading to widespread interest from the press and public regarding his performance.

The Dark Knight was marketed with an innovative interactive viral campaign that initially focused on countering criticism of Ledger's casting by those who believed he was a poor choice to portray the Joker. Christopher avoided using computer-generated imagery unless necessary, insisting on practical stunts such as flipping an 18-wheel truck and blowing up a factory. The Dark Knight was the first major motion picture to be filmed with high-resolution IMAX cameras. From April to November 2007, filming took place with a $185 million budget in Chicago and Hong Kong, and on sets in England. In writing the screenplay, the Nolans were influenced by 1980s Batman comics and crime drama films, and sought to continue Batman Begins ' heightened sense of realism. Goyer developed the story elements, making Dent the central protagonist caught up in the battle between the Batman and the Joker. Christopher and Batman Begins co-writer David S. Pictures prioritized a sequel following the successful reinvention of the Batman film series with Batman Begins.
