At the same time, Avatar films are incredibly costly to produce, meaning that they need to earn huge amounts to turn a profit. With Avatar's future unclear, Cameron has discussed the need to prioritize "other stories" that he wanted to see made during the "last act" of his career. The 71-year-old filmmaker has long had various other ideas for films other than Avatar sequels, though has not directed a non-Avatar blockbuster since 1997's Titanic. "So this is the point where I'm looking at the landscape and asking, 'What are the other stories I want to tell? "And I started looking at all the projects I'm most fond of, asking, 'How's this going to improve our condition?