Currently being developed under the working title The Avengers Project, the game is being created by Crystal Dynamics and Eidos Montreal.
While details are remarkably scarce, there's an announcement that can be read below along with a new teaser trailer.
The Avengers project is being designed for gamers worldwide and will be packed with all the characters, environments, and iconic moments that have thrilled longtime fans of the franchise. Featuring a completely original story, it will introduce a universe gamers can play in for years to come.
You can expect The Avengers Project to arrive in 2018.