The wait is over, Avatar fans, as we've got a first trailer for Avatar: Fire and Ash, which is the third movie in James Cameron's sci-fi franchise and is set to be one of this year's biggest new movies.

Fire and Ash trailer has been released. Avatar: Fire and Ash is the forthcoming third film in James Cameron’s Avatar series. Releasing in United States theaters this December, the film sees Sam Worthington once again reprise his role as Jake Sully.

Jake Sully (Sam Worthington), Na’vi warrior Neytiri (Zoe Saldaña) and their family return for the third pic, which also stars Sigourney Weaver, Stephen Lang, Oona Chaplin, Cliff Curtis, Britain Dalton, Trinity Bliss, Jack Champion, Bailey Bass and Kate Winslet.