The Marvel extravaganza is set to be one of the biggest movies ever made, with a cast of superheroes from the last decade of the franchise’s films.
It’s so huge that the story has been spread across two movies, with an untitled sequel, Avengers 4, arriving in April 2019.
So far all fans have to go on is the first trailer, a piece of footage that is now the most watched teaser of all time.
But now Hemsworth, who plays Thor, has teased the extensive cast and incredible crossover team-ups that fans can expect.
While promoting his new movie 12 Strong, the Aussie actor expressed his excitement to the Toronto Sun.
He said: “This is one of the biggest things in film history and to be a part of it was just incredible.
“I think what these characters are about to face — with Thanos — there’s been nothing quite like it.
“There are 76 cast members or something like that. I think what people are going to be excited about is what I was excited about and that’s Thor meeting the Guardians and Iron Man meeting Doctor Strange.”
Hemsworth has also spoken out on rumours of Thor 4, to follow on from Thor Ragnarok.
He said: “It just depends on how the Avengers [movies] all wrap up. [Thor 4] is a conversation for further down the road, if it happens.”
Avengers Infinity War is released in UK cinemas on April 27, 2018.