As Avatar 2 filmed its final day of 2019, it's dropped a sneak peak of one of its huge underwater sets online.
The role that Damon turned down eventually went to relative unknown Sam Worthington.
One day, we'll get back to Pandora.
The congratulatory message has become a tradition for Hollywood record-breakers.
Thanks to its cunning re-release, Avengers: Endgame is now just inches from Avatar's decade-long record of being the highest-grossing movie of all time.