Watch the 'Ava­tar' clip "When You Are Ready"

'Ava­tar' is the story of an ex-​Ma­ri­ne who finds him­self th­rust in­to hos­ti­li­ties on an alien pla­net fi­lled with exo­tic li­fe forms. As an Ava­tar, a hu­man mind in an alien body, he finds him­self torn bet­ween two worlds, in a des­pe­ra­te fight for his own sur­vi­val and that of the in­di­ge­nous peo­ple. Mo­re than ten years in the ma­king, Ava­tar marks Ca­me­ron's re­turn to fea­tu­re di­rec­ting sin­ce hel­ming 1997's Ti­ta­nic, the highest gros­sing film of all ti­me and win­ner of ele­ven Os­cars® in­clu­ding Best Pic­tu­re. WE­TA Di­gi­tal, re­now­ned for its work in The Lord of the Rings Tri­logy and King Kong, will in­cor­po­ra­te new in­tui­ti­ve CGI te­ch­no­lo­gies to trans­form the en­vi­ron­ments and cha­rac­ters in­to pho­to­rea­lis­tic 3D ima­gery that will trans­port the au­dien­ce in­to the alien world rich with ima­gi­na­ti­ve vis­tas, crea­tu­res and cha­rac­ters. Writ­ten and di­rec­ted by Ja­mes Ca­me­ron and sta­rring Sam Wort­hing­ton, Zoe Sal­da­na, Step­hen Lang, Mi­che­lle Ro­dri­guez, and Si­gour­ney Wea­ver. In thea­ters De­cem­ber 18.