After believing he has killed Iron Man, the Beast turns to fellow outcast mutants in the New Brotherhood of Mutants. As the team's plans becomes clear, the Beast is not sure their goal aligns with his morals.
Delirious after his battle with Quasimodo, the Beast stumbles to the doorstep of Patsy Baxter, née Walker, who has deduced his secret. The two agree to a secretive arrangement and Hank finds his first ally against the mysterious conspiracy that has been hounding him.
Captain America and the Beast rally the Avengers to investigate an attack perpetrated by the Brand Corporation, and end up facing off against the Squadron Supreme. Meanwhile, Thor and Moondragon travel back through time in an attempt to rescue Hawkeye.
The Avengers, in company of Patsy Walker, press deeper into the Brand Corporation base in pursuit of answers. When they happen across the discarded costume of the Cat, Patsy seizes her chance to become a super-heroine in her own right.