Collects Captain America (1968) #176; Avengers (1963) #150-151, 215-216, 224; Avengers: The Terminatrix Objective #1-4; Avengers (1998) #21; Thor (1998) #81. The Mighty Thor! Captain America! The Invincible Iron Man! Alone, each one of these champions is a legend throughout the Marvel Universe. but together, they make up the Avengers' Big Three! Witness how this triumphant trio justifies their status as the three greatest World's Mightiest Heroes in adventures that span from Avengers Mansion to Asgard, with the time-tossed tale the Terminatrix Objective thrown in for good measure!