Earths Mightiest Heroes battle the Children of the Atom in a crossover so huge it calls for Marvels biggest-ever Omnibus! Get the whole story of the Phoenix Forces return to Earth, an event that kicks off an all-out war between the Avengers and the X-Men! The X-Men see the Phoenix as mutantkinds salvation, and the Avengers consider it a deadly danger. But what happens when five of the X-Men are transformed by the Phoenix and begin to change the world?

Collects Avengers vs. X-Men (2012) #0-12; Point One (2011) #1 (AVX story); AVX: Vs (2012) #1-6; Avengers vs. X-Men: Infinite (2012) #1, 6, 10; Avengers Academy (2010) #29-33; Secret Avengers (2010) #26-28; Avengers (2010) #25-30; New Avengers (2010) #24-30; X-Men Legacy (2008) #266-270; Wolverine & the X-Men (2011) #9-16, 18; AVX: Consequences (2012) #1-5; Uncanny X-Men (2011) #11-20; A-Babies vs. X-Babies (2012) #1.