After a series of mysterious events begin altering Earth's history, the world's mightiest heroes discover that something is slowly erasing the legacy of the Avengers. Entire cities change overnight, people vanish from the memories of their loved ones, and historic events are rewritten by an unknown force.
As Captain America struggles to keep the team together, Iron Man uncovers evidence of a powerful entity from beyond time itself, manipulating countless timelines to create a reality ruled by fear and chaos. With the future in ruins and the past unraveling, the Avengers embark on a desperate journey across forgotten eras to uncover the source of the threat.
The mission grows even more dangerous when dark versions of the heroes begin appearing from fractured realities. Corrupted by the choices they made in alternate timelines, these "Dark Avengers" know every weakness of their heroic counterparts and are determined to replace them.
Now, Thor, Hulk, Black Widow, and their allies face a battle that goes far beyond survival—a fight for the very meaning of heroism.
As time collapses and darkness spreads across every reality, the Avengers learn that saving the universe may require the greatest sacrifice of their lives.
