Everything you need to remember from 'Avatar' before seeing 'Avatar: The Way of Water'

It's been over a decade since James Cameron's sci-fi epic Avatar first hit theaters and destroyed box office records. Since then, it became the highest-grossing film of all time, lost that title to Avengers: Endgame, then reclaimed it after a re-release. It's also become a meme as the "the most popular movie no one...