Infinity tie-in! The Avengers' main squad is light-years away in space, contending with the Builders! Thanos' marauders are ransacking the Earth, doing as they please! Who will defend mankind? The all-new Mighty Avengers! Luke Cage! The Superior Spider-Man! Spectrum! The White Tiger! The new Power Man! A mysterious figure in an ill-fitting Spider-Man Halloween costume! And more! These unlikely heroes must assemble when no one else can - against the unrelenting attack of Proxima Midnight! But that's easier said than done...and when Promixa begins killing New York City one block at a time, Cage's ad-hoc Avengers might not be able to stop her...and the one hero who can is at the bottom of the Mariana Trench! And then things get worse! Will the Mighty Avengers be destroyed before they even get started? Collecting: Mighty Avengers 1-5

Collects Mighty Avengers (2013) #6-10. The Falcon is on the hunt - and what he finds will rock the Mighty Avengers to their core! Years ago, Gideon Mace murdered Ava Ayala's family. But now that Ava is the White Tiger, she channels the power of an ancient god of terror and bloodlust - and she just gave it full control. Pray for Gideon Mace - and Ava's soul! Meanwhile, Spectrum and She-Hulk join Blue Marvel on a global adventure against a nightmare from the depths of the Neutral Zone - and a threat that could break Adam's heart! And Ronin unmasks, realizing he can't hide from the Deathwalkers any longer - but have we revealed his secret identity just in time to kill him off? As the team deals with the fallout of ORIGINAL SIN, the newest Mighty Avenger joins - and it could be YOU!

Dr Adam Brashear, super-scientist! James Lucas, cop on the edge! Kaluu, master of black magic! Constance Molina, two-fisted reporter! The Bear, explosives expert and were-woman! Blade, vampire slayer! In 1972, they banded together to fight what couldn't be fought alone - as the Mighty Avengers! Collecting: Mighty Avengers 11-14