Marvel's Avengers is an upcoming action-adventure video game co-developed by Crystal Dynamics and Eidos-Montréal and published by Square Enix. Based on the Marvel Comics superhero team the Avengers, the game is inspired by the long-running comic book mythology and adaptations in other media. The game's main storyline takes place five years after A-Day, a celebratory day for the Avengers wherein a tragedy resulted in death and destruction, and the Avengers were blamed. The team is forced to reassemble to save the world from peril in the form of A.I.M. led by MODOK which threatens ending the world from superpowers. The game features an online co-op mode, allowing players to assemble a team of heroes of their own. Assemble Earth's Mightiest Heroes and embrace your powers in the Marvel's Avengers game. Marvel's Avengers features a large roster of characters drawn from the Marvel Universe, consisting primarily of the title team members and other superheroes. The initial playable characters include Captain America, Iron Man, Hulk, Thor, Black Widow and Kamala Khan.