VIDEO : Robert Rodriguez Takes On 'Battle Angel Alita' Film Adaptation

Robert Rodriguez is making a big-screen adaptation of ?Battle Angel Alita,? a famous manga series. Originally James Cameron was planning on making this adaption. But his film ?Avatar? broke all box-office records and he focused on making sequels to that film. Now Rodriguez has taken on the job and created a 3D film that will premiere on December 21st. Rodriguez is known for his past films, ?Sin City,? ?Machete,? and ?Desperado.?