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) with paintings and physical sculptures when Cameron felt that 3-D brush renderings were not capturing his vision, often working together in the kitchen of Cameron's Malibu home. In , Cameron announced that he would film "Avatar" for a mid-2008 release and planned to begin principal photography with an established cast by . The following August, the visual effects studio Weta Digital signed on to help Cameron produce "Avatar". Stan Winston, who had collaborated with Cameron in the past, joined "Avatar" to help with the film's designs. Production design for the film took several years. The film had two different production