All doubts over Emma are put to rest and the X-Men are united again. Professor Xavier senses that there is an enormous force that they do not understand still present in north Japan. Armed with a vaccine to combat Damon-Hall Syndrome, the X-Men return to north Japan. However, as they are flying back, an unknown and very powerful force causes them to lose control of the Blackbird. Forced to execute a crash landing, they are then attacked by the remainder of the U-Men, and a fierce battle ensues.