Technological genius Tony Stark reinvented himself by building a suit of armor. Marvel 101's are a series of one minute episodes that give you a crash course on the background of a Marvel Character, storyline, weapon, location and more. Welcome to the Marvel Universe!
The Chitauri have begun their invasion of Earth, with all the other Avengers down for the count, and it’s up to Hulk to show the Chitauri the meaning of Hulk Smash! Launch Hulk into the air to help takedown the enemy.