Avatar 2, one of three planned sequels for James Cameron's blockbuster hit Avatar, will not be finished in time for its projected Christmas 2017 release. Twentieth Century Fox has declined to comment on the situation.

It's the second delay for the film's release date, with no word on the new schedule for the upcoming sequels. The following films were all intended to be released in the holiday seasons of subsequent years.

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Both leads from the original film, Sam Worthington and Zoe Saldana, have signed on for the trilogy, all to be directed by James Cameron. Cameron has projected that the sequels could take place in alternate landscapes, including underwater. The difficulty of creating an underwater film effect could potentially be holding back the release date. The original Avatar took five years to hit screens.

Another obstacle could be the decision to move the release date for Star Wars: Episode VIII to Dec. 15, 2017. It's unlikely that Fox and Disney executives would want two potentially record-breaking films to be competing with each other in the box office.