A sudden and powerful evil force poses a fatal threat to the earth. No superhero can resist it alone. SHIELD, which has long been committed to protecting global security, was caught off guard. Its commander, "One-Eyed Man" Nick Fury (Samuel L. Jackson), realized that he must create the "strongest" alliance organization in history, gathering superheroes from all sides to work together to save the world from dire straits and resist the invasion of dark forces.
