The spectacular conclusion of Brian Michael Bendis' Avengers era - featuring the X-Men and the Guardians of the Galaxy! When the cosmic Phoenix Force threatens the planet, it's up to Earth's Mightiest Heroes to stop it - but Cyclops and his mutant team have a different plan. This means war! When the dust settles on the devastating conflict, Tony Stark intercepts a signal that may lead the Avengers into the arms of one of their dearest friends - or their greatest enemies! Plus: An all-star roster assembles alongside the Guardians for a blockbuster showdown with Thanos! The Vision returns! And young hero Nova gets some expert advice on how best to use his newfound powers! Collecting AVENGERS (2010) #24.1 and #25-34, AVENGERS ASSEMBLE (2012) #1-8, AVENGERS: HEROES WELCOME and material from AVX: VS #6.L.