WELLINGTON, New Zealand (AP) -- Director James Cameron says the next "Avatar" movie has been delayed by one year and will now be released in late 2017.

James Cameron speaks to media while Minister for Economic Development, Steven Joyce looks on during the screen advisory board inaugural meeting at Park Road Post Production offices in Wellington, New Zealand
James Cameron speaks to media while Minister for Economic Development, Steven Joyce looks on during the screen advisory board inaugural meeting at Park Road Post Production offices in Wellington, New Zealand (Hagen Hopkins/Getty Images)
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Cameron is working on three sequels to "Avatar" which he plans to release over consecutive years.

The first had been due in late 2016.

But he says the writing process has been "very involved" and that the initial target date was probably too ambitious.

Cameron spoke Wednesday in New Zealand, where he was helping promote the local film industry with other directors including Peter Jackson.

Cameron shot the original movie in New Zealand and is planning to shoot the sequels there.

Released in 2009, "Avatar" became the highest-grossing film in history, with a box office take of nearly $2.8 billion. It won three Academy Awards.

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