Based on the hit animated show on DISNEY XD, join CAPTAIN AMERICA, IRON MAN & THOR for a rousing adventure featuring daring & destruction in the Mighty Marvel Manner! See if Tony Stark's IRON MAN armor can hold up to the unstoppable fury of CRIMSON DYNAMO! Collecting AVENGERS: EARTH'S MIGHTIEST HEROES (2011) #3, material from MARVEL UNIVERSE AVENGERS EARTH'S MIGHTIEST HEROES #2.