Because the atmosphere of Pandora is toxic, they have created the Avatar Program, in which human “drivers” have their consciousness linked to an avatar, a remotely-controlled biological body that can survive in the lethal air. He is given a mission to infiltrate the Na’vi, who have become a major obstacle to mining the precious ore.
It was first reported in September that the notoriously private couple were expecting a baby, and in January Lara's growing tummy was seen for the first time while the pair were on holiday in Palm Springs.
Up until this point the only actor actually attached to all of the movies in the franchise was Stephen Lang, who will play the "Darth Vader" of the series and the central antagonist.
The Hollywood Reporter first posted the news about Worthington and Saldana, though they don't have any details regarding exactly what the new movies will be about.
Zoe Saldana and Sigourney Weaver are also confirmed to return, reprising their roles as Neytiri and Dr. "Jake Sully is a rare combination of passion, strength, street smarts and soul, which requires a lot from an actor.
Sam brought to the role a combination of sensitivity, vulnerability and strength," James said of the return of his leading man.
Now, the majestic planet of Pandora has become a reality, with the opening of the Avatar-themed land at Disney's Animal Kingdom theme park in Orlando, Florida.