Captain World and his Freedom Fighters

Captain World was a great hero. The greatest in the world as his name would suggest. But Captain World has lost! Lost right when it counted the most! After spending months fighting his way out of an underground government bunker, Captain World has reemerged only to find that North America has been destroyed! What can a hero do when they've lost not only the fight, but the life they knew? Who was behind the attack that decimated the continent? And who are the Freedom Fighters? Read on to find out!