The biggest event of 2012 is now the biggest and boldest WHAT IF? event yet! We all know what happened between the Avengers and the X-Men when the Phoenix Force returned to Earth, but what if the story had gone differently? The one and only Jimmy Palmiotti brings his signature style to a mind-blowing reinterpretation of a key event in the history of the Marvel Universe! Featuring Magneto, Hope and every Avenger and X-Man you can imagine - and then some! Don't miss out! Collecting WHAT IF? AVX #1-4.
— Description from Comic Vine community (comicvine.gamespot.com).
