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.

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.