There were times it seemed like it was never going to happen, but with principal photography now finished, in about two years we will finally get to see the long-delayed sequel to James Cameron's 2009 mega-hit Avatar. In the years since the first film, as Avatar 2 kept getting kicked further down the road, a belief emerged which now seems to be the prevailing one regarding the Avatar sequels: that they will fail. Despite the fact that neither the return of Star Wars nor Marvel's Avengers could dethrone Avatar as the all-time worldwide box office champ, the reasons people think the Avatar sequels will fail are not hard to figure out. It'll be over a decade since the first film by the time Avatar 2 arrives, striking well after the iron was hot.