The X-Men and the Fantastic Four team up with the help of Pat Lee and Dreamwave Studios in this heart-pounding limited series! Can the X-Men and the Fantastic Four put their differences aside to stop a creeping menace from outer space that threatens our planet's very existence?! Join megawatt creator Pat Lee and writer Akira Yoshida (THOR: SON OF ASGARD) for mutant meyham and fantastic fights!