Collects Exiles (2001) #26-30
*Recovering from the loss of one teammate and adapting to the arrival of another, the Exiles are a team in turmoil. Now led by the reluctant Mimic, they travel to the real Marvel Universe and cross paths with the actual X-Men. How will they fare together agains the Dominant Species? Will the Exiles be forced to kill an X-Man to save the life of a child? Wolverine, Havok, Angel, Juggernaut and more of Marvel's most popular mutants guest-star in a landmark crossover that will have lasting consequences for both teams.* Source: back cover