Fan-favorite creators Kurt Busiek and George P'rez usher in a new era for Earth's Mightiest Heroes! Since the team's inception, the Avengers have always defended humanity against the forces of evil. When duty calls, these legendary champions answer, fighting valiantly until justice prevails. But what happens when their oldest foes strike directly at the team? On the eve of a huge Avengers gathering, an attack by the evil enchantress Morgan Le Fay...