Captain America has called the New Avengers to war against the X-Men, and Luke Cage will be forced to make a big decision: stand with his wife and child or suit up alongside the Avengers? Iron Fist discovers the shocking secret history of the Phoenix in K'un-Lun's Book. Meanwhile, Hope Summers journeys to Iron Fist's magical home to uncover her destiny. The X-Men take three of the Avengers' mightiest captive, but no jail can hold them for long. Captain America has to call out the big guns: can the Illuminati succeed where the Avengers failed? COLLECTING: New Avengers 24-30.