In one scene, the newly-revealed character Varang warns ““your goddess has no dominion here.” As is typical with this universe, the visuals are stunning, and similar to “Way of Water,” and indications from the trailer are that the narrative will have heavy focus on Jake and Neytiri’s children.

Box-office sensation "Avatar" is back with a third movie this December, teasing epic family drama and stunning new creatures in the first trailer.

Still, it's understandable if you're in need of a refresher about that past, present and future of Cameron's corner of the galaxy. Here's everything you need to know about Fire and Ash before you catch the trailer in theaters.