What if the Marvel Cinematic Universe continued to release Movie Licensed Video Games after the ones for Iron Man 1 & 2, The Incredible Hulk, Captain America The First Avenger and Thor?
Starting with a game based around the first Avengers film (aside from the Lego Avengers Game that adapted the events in MCU).
Nick Fury is compelled to launch the Avengers Initiative when Loki poses a threat to planet Earth. His squad of superheroes put their minds together to accomplish the task.