Avengers by Brian Michael Bendis #4

This volume collects the climax of the Avengers vs. X-Men event, as Brian Michael Bendis brings his Avengers run to a head with the Phoenix Force's arrival on Earth. It features key confrontations between Earth's Mightiest Heroes and the X-Men, including Angel, Iceman, and Marvel Girl, as the fate of Hope Summers and the mutant race hangs in the balance. The story directly ties into the larger AVX crossover, showcasing the fractured alliances and high-stakes battles that defined the era.