Brace yourselves, people; the biggest movie of all time is reportedly to get three sequels to be filmed back-to-back.

Avatar will get a second, third and fourth instalment that James Cameron will film in one giant chunk. This according to Sigourney Weaver, who ended up brown bread in the original - but whose character is apparently being brought back to life. Weaver spoke to Showbiz411.com about the "new trilogy" and didn't know an awful lot about it saying simply that she'll "show up." There have been a lot of rumours knocking around about proposed Avatar sequels for a while now, with some even saying that Cameron will take the action under water. He loves a dip in the ocean that Cameron fella.

Sam Worthington and Zoe Saldana will return also, in what is expected to be a fully motion capture executed movie(or movies if this is true).