Vin Diesel let slip that the Guardians of the Galaxy will appear in the next Avengers movie.
The actor, who voices the talking tree creature Groot in Guardians, confirmed he and his fellow space misfits will appear in Avengers: Infinity War, the third instalment of the franchise.
In a Facebook Live video, Vin said: "The Guardians will be included in Avengers: Infinity War - and that's incredibly exciting."
The film - which is due out in May 2018 - is expected to unite several Marvel characters from across 18 films.
Vin, who stars in the Fast & Furious movie series, portrayed extraterrestrial Groot in 2014´s Guardians of the Galaxy alongside Chris Pratt, Zoe Saldana and Bradley Cooper.
A sequel, Guardians of the Galaxy Vol. 2, is set for release in May next year.