Hulk is a 2003 American superhero film based on the Marvel Comics character of the same name, created by Stan Lee and Jack Kirby. Produced by Universal Pictures in association with Marvel Enterprises, Valhalla Motion Pictures, and Good Machine, and distributed by Universal, it was directed by Ang Lee and written by James Schamus, Michael France, and John Turman, from a story conceived by Schamus. The film stars Eric Bana as Bruce Banner and Hulk, alongside Jennifer Connelly, Sam Elliott, Josh Lucas, and Nick Nolte. The film explores Bruce Banner's origins. After a lab accident involving gamma radiation, he transforms into a giant green-skinned creature known as the Hulk whenever stressed or emotionally provoked. The United States military pursues him, and he clashes with his biological father, who has dark plans for his son.
Development started in 1990. At one time, Joe Johnston and then Jonathan Hensleigh were to direct. Hensleigh, John Turman, Michael France, Zak Penn, J. J. Abrams, Michael Tolkin, David Hayter, Scott Alexander, and Larry Karaszewski wrote more scripts before Ang Lee and James Schamus' involvement. The project was filmed primarily in California from March to August 2002, mainly in the San Francisco Bay Area.
Hulk was released by Universal Pictures on June 20, 2003, and grossed $245.4 million worldwide, becoming one of the highest-grossing films of 2003. The film received mixed reviews from critics, with praise for its cast's performances, ambition and style, but criticism for its dialogue, lack of action sequences, and . A planned sequel was repurposed as a reboot titled The Incredible Hulk and released on June 13, 2008, as the second film in the Marvel Cinematic Universe.
David Banner is a genetics researcher for the government trying to improve human DNA. His supervisor, Colonel Thaddeus "Thunderbolt" Ross, forbids human experimentation, so David experiments on himself. His wife, Edith, soon gives birth to their son, Bruce Banner. David realizes Bruce inherited his mutant DNA and attempts to find a cure.