By Brian Truitt
James Cameron's planned Avatar movie trilogy is becoming a quadrilogy.
Josh Friedman (War of the Worlds), Shane Salerno (Savages) and Rick Jaffa and Amanda Silver (Rise of the Planets of the Apes) have been hired to collaborate with the director to write three follow-ups to Cameron's 2009 sci-fi hitAvatar, 20th Century Fox announced Thursday.
The original currently stands as the USA's all-time box-office champ with a take of $760 million.
The first sequel toAvatar, which followed a space marine (Sam Worthington) going native with a race of blue alien Na'vi on the moon Pandora, will begin production next year and will film simultaneously with the two other sequels.
Avatar 2is due out in December 2016, withAvatar 3coming in December 2017 and Avatar 4tentatively releasing December 2018.