Today, on January 26, Square Enix announced on Twitter that it has made a "multi-game" partnership with Marvel. Which, most importantly, is leading up to The Avengers Project.
"Big News: @SquareEnix and @Marvel announce a multi-game partnership leading with The Avengers project. #Reassemble" - Square Enix (@SquareEnix)
Clearly they're hinting at an Avengers game. But at this point, there is no information about The Avengers Project. If we hear anything, we will keep you updated.