Marvel’s Avengers: Cosmic Cube was a post-launch content update for Marvel’s Avengers, released in June 2021. It introduced a new Villain Sector mission focused on battling Monica Rappaccini, who wields the power of the Cosmic Cube. The update expanded the game’s storyline with additional narrative elements tied to AIM and its experiments. Players faced new combat challenges designed around the Cosmic Cube’s abilities. The content was available as a free update for all owners of the base game.