
Marvel Studios is checking out a major supporting actor from Disney's Avatar: The Way of Water to play the popular mutant Jubilee in the MCU's upcoming X-Men movie. While the first MCU X-Men outing is still years away, being developed for a post-Multiverse Saga slate, the chips are starting to fall for who may be involved with this new franchise.
Avatar: The Way of Water star Trinity Bliss is reportedly being eyed to play Jubilation "Jubilee" Lee in Marvel Studios' first X-Men movie. Thus far, Marvel has not officially confirmed this movie's development or locked in any actors for this cast, but rumors and reports are teasing a few names.
Insider Jeff Sneider shared the rumor on The Hot Mic podcast, saying he heard Bliss was "in the mix for Jubilee" but to take the news with "a grain of salt."
He also noted that Jake Schreier (recently revealed to be in talks to direct the X-Men movie) will "have input" on the casting. However, when all is said and done, the final decision will be "whoever [Marvel Studios President] Kevin [Feige] wants." He further noted that casting news will come in the next few months.

Bliss' big break came in 2022, when she played the role of Tukitey ("Tuk") in Disney's Avatar: The Way of Water. Tuk was the youngest of Jake Sully and Neytiri's four children; she is also set to reprise her role in 2025's Avatar: Fire and Ash.
Meanwhile, Marvel Studios is in the early stages of developing the first-ever X-Men movie after Disney purchased 20th Century Fox (which previously owned the X-Men movie rights). Schreier was reportedly in talks to direct the film, while Hunger Games writer Michael Lesslie is in place to pen the script, but no release timeframe has been laid out yet.
When Will the Cast of Marvel Studios' X-Men Movie Be Revealed?

While the X-Men movie does not have a production or release timeline yet, the assembly of a core group of creatives seems to indicate that Marvel is already hard at work building the on-screen cast.
More than likely, Marvel's core focus over the next year (maybe more) will be on Phase 6, specifically movies like Avengers: Doomsday and Avengers: Secret Wars. With Doomsday in the early stages of filming, the next Avengers outing will dominate the news stream until Secret Wars takes over that job in Summer 2026.
Marvel could also set the stage for the MCU's iteration of the X-Men to debut at some point during those films, particularly with both of them expected to feature Fox's legacy mutant actors.
For now, however, the rest of this year will likely come with at least a few new rumors and reports about who will be involved before announcements and confirmations become official over the next few years. Thanks to an earlier rumor teasing who Marvel is looking at for Kitty Pryde, all eyes will be on this franchise for more information for the foreseeable future.