Removing the pirated files from the Internet may prove an impossible challenge, an industry source said. Watch how the leak might affect ticket sales » 'The source of the initial leak and any subsequent postings will be prosecuted to the fullest extent of the law the courts have handed down significant criminal sentences for such acts in the past,' the studio's statement said. The digital file quickly spread across the Internet and was available for free, but illegal, downloading from hundreds of easily found Web sites.
Twentieth Century Fox said the FBI was investigating who leaked 'X-Men Origins: Wolverine,' which is set for release in U.S.
