Book excerpt: Collects Mech Strike: Monster Hunters #1-5. Brace yourself for armored action on a truly massive scale! In AVENGERS: MECH STRIKE, Earth's Mightiest Heroes donned new mech armor to battle an unprecedented threat. Now a trio of the world's most notorious super villains, assembled by Doctor Doom, have used the Eye of the Kraken to give themselves a mystical - and monstrous - upgrade! In order to defeat their foes, the Avengers must undergo a similar transformation - and become Monster Hunters! As the heroes contend with their strange new powers, they team with some unlikely allies: Rocket, Groot and Ghost-Spider. But will even these new additions to the armored-up Avengers be enough to defeat Doctor Doom and his ever-expanding monster army - especially when Doom evolves into his final, fiendish form?!