MEET HISTORY'S MIGHTIEST HEROES! The Avengers are lost in time, and if they're going to stop Mephisto's grand plan, they'll need help from some of history's greatest heroes, whose stories have never been told. Like the mystical man of war, Sgt. Szardos, Soldier Supreme of World War II, and his squadron of supernatural grunts, the Secret Invaders. RATED T+