Collecting Avengers (2016) #7-11.

Doctor Doom: Avenger?! The impossible is real! Doom has turned to the light side in a fresh suit of armor as the Infamous Iron Man. And now he is about to take Shell-Head's place in the Avengers -or, to hear Victor tell it, they're joining him! But how will Earth's Mightiest Heroes react to one of its greatest villains joining their ranks?