Avatar director James Cameron has said that he still aims to make four sequels to the 2009 science-fiction blockbuster and is moving ahead with production while regulators review the proposed sale of 21st Century Fox's film studio to Walt Disney.
Cameron said he is about 100 days into filming the second and third Avatar installments under a deal with Fox.
If those are successful, he plans to continue with the fourth and fifth movies, which he has already written.
Murdoch-owned Fox has committed to distributing the next movie in the franchise, but the film studio is in the process of being sold to Disney as part of a $52 billion deal.
Avatar, the story of a blue, humanoid race on a lush moon known as Pandora, is the highest-grossing movie in history with $2.8 billion in global ticket sales.
The second Avatar film is scheduled for release in December 2020.