First details on the evolution of teenage Groot in Avengers: Infinity War

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Oct 27, 2017, 4:31 PM EDT (Updated)

As you may have heard, the Guardians of the Galaxy will have a major role to play in the upcoming Avengers: Infinity War, Marvel's mega-crossover blockbuster that will unite all of its characters under one cinematic roof for the first time. That also includes Groot, the lovable tree creature with the limited vocabulary.

Vin Diesel, who's voiced the character in two films now, will return for another outing, but he won't actually be performing the movements of the character on set. That honor goes to motion-capture veteran Terry Notary, who played Rocket in the Planet of the Apes reboot trilogy and the title role in Kong: Skull Island

Notary is out promoting his new film The Square right now, but Yahoo! Movies couldn't resist asking him about his Avengers role. Notary confirmed that he will indeed be playing Groot in Infinity War, and that the character will still be in his teenage form (where we last left him in a Guardians post-credits scene) as the film begins. Then he offered a very brief teaser for the character's upcoming arc.

"I’m having a blast with it. It’s really, really fun," Notary said. "I can’t say too much about him, but he’s coming of age, so you’ll see the teenager find a mentor to look up to and to model himself after. The character’s great, and the films are going to be great. We’ve got such an amazing cast and a great pair of directors at the helm. The Russos allow the actors to jam on scenes together to the point where it just feels great and everybody gets their moments."

Now, obviously that's very vague, and obviously we knew Groot would keep growing, because that's just what Groot does. What's more interesting is Notary's comment about a "mentor." Groot is, to this point, unique in the Marvel Cinematic Universe. There's no one else like him ... that we know of.

Does this mean we're about to see more weird aliens that Groot can relate to, or does it just mean there's another Avenger who's going to teach him a thing or two? A Groot/Hulk bromance would certainly be welcomed, but there are also countless other combinations to ponder. Whatever the case, we'll hopefully learn more in the next six months as we keep marching toward Infinity War.

Avengers: Infinity War hits theaters May 4, 2018.