Before next summer's blockbuster film, join the Avengers - Captain America, Iron Man, Thor, Hawkeye, Black Widow, and the Hulk-- as they set off on an all-new adventure against a secret Hydra splinter cell! Black Widow's discovered a startling development, but what exactly is Hydra up to? It'll take teamwork to topple Hydra's latest plot…but only one Avenger has the skill needed to save the day! PLUS: Reprinting Avengers #16, written by Stan Lee and art by Jack Kirby, presenting the story that brought Quicksilver and Scarlet Witch onto the team for the first time! PLUS PLUS: This cover will be featured as an AVENGERS COLORING POSTER.