Young Avengers: Sidekicks

Earth's Mightiest Heroes are no more. But if that's really true, how come a group of young teen heroes resembling Iron Man, Captain America, Hulk and Thor have suddenly appeared in New York? Investigating these co-called Young Avengers, the real Captain America and Iron Man discover the truth behind their teen namesakes — and an impending danger that could spell disaster for all Avengers, young and old!