When the world is overwhelmed with Super Villains, time traveling conquerors, alien invaders, mythical beasts and robots bent on the total destruction of humanity . . . the Earth calls upon its Mightiest Heroes: THE AVENGERS! Discover how the Mighty team began as we read how Iron Man, Thor, the Hulk, Hawkeye, and Black Widow, and Captain America assembled to become Earth's mightiest heroes!