Avatar (2009 film) at additional panels to promote the film, speaking on the 23rd and 24th respectively. James Cameron announced at the Comic-Con Avatar Panel that will be 'Avatar Day'. On this day, the trailer was released in all theatrical formats. The official game trailer and toy line of the film were also unveiled on this day. The 129-second trailer was released online on , 2009. The new 210-second trailer was premiered in theatres on , 2009, then soon after premiered online on Yahoo! on , 2009, to positive reviews. An extended version in IMAX 3D received overwhelmingly positive reviews. "The Hollywood Reporter"
Avatar (2009 film) designers, and two separate art departments, one of which focused on the flora and fauna of Pandora, and another that created human machines and human factors. In , Cameron was announced to be using his own Reality Camera System to film in 3-D. The system would use two high-definition cameras in a single camera body to create depth perception. While these preparations were underway, Fox kept wavering in its commitment to "Avatar" because of its painful experience with cost overruns and delays on Cameron's previous picture, "Titanic", even though Cameron rewrote the script to combine several characters together and offered