Director James Cameron's painstaking process to bring "Avatar" to the big screen will be the subject of a new documentary.

Get latest articles and stories on Entertainment at LatestLY. Set to premiere on Disney+, the documentary will explore James Cameron's painstaking process that went behind making the 'Avatar' films. Entertainment News | James Cameron Set to Bring 'Avatar' Films' Documentary Ahead of 'Fire and Ash', Trailer out.