The Avengers are no more, destroyed from within by one of their most powerful members. Now, a new generation of heroes have arisen to take up their mantle - Patriot, Wiccan, Hulkling and Iron Lad. But who are these 'Young Avengers' and what connects them to Earth's Mightiest Heroes? Iron Man and Captain America set out to discover the truth, only to find themselves and their teenage namesakes caught in the grip of one of the Avengers' most deadly enemies! Plus! Go behind the scenes of this landmark series with a selection of creator interviews, character sketches and more!