James Cameron effects. The film was originally scheduled to be released in May 2009 but was pushed back to December 2009 to allow more time for post-production on the complex CGI and to give more time for theatres worldwide to install 3D projectors. Cameron originally intended "Avatar" to be 3D-only. "Avatar" broke several box office records during its initial theatrical run. It grossed $749.7 million in the United States and Canada and more than $2.74 billion worldwide, becoming the highest-grossing film of all time in the United States and Canada, surpassing Cameron's "Titanic". "Avatar" also became the first movie to ever earn
Titanic (1997 film) thing". It was "not because I particularly wanted to make the movie," Cameron said. "I wanted to dive to the shipwreck." Cameron wrote a scriptment for a "Titanic" film, met with 20th Century Fox executives including Peter Chernin, and pitched it as "Romeo and Juliet on the "Titanic"". Cameron stated, "They were like, 'Oooooohkaaaaaay – a three-hour romantic epic? Sure, that's just what we want. Is there a little bit of "Terminator" in that? Any Harrier jets, shoot-outs, or car chases?' I said, 'No, no, no. It's not like that. The studio was dubious about the idea's commercial prospects, but,