In the aftermath of Onslaught, a de-powered Professor X is imprisoned in an abandoned Hulkbuster base without hope of freedom. Will Charles Xavier find an ally in prisoner M-9, a young girl with incredible mutant abilities?
Now, Xavier seeks redemption after Onslaught. Hidden beneath Nevada desert, he will face Bastion, a man determined to end all mutant life. But, Xavier will find something even more lethal...
Since his arrival to Hulkbuster facilities, Xavier has been tested in many ways in order to dicover his mutant heritage and his best kept secrets. Nevertheless, Xavier thinks he has lost his powers. Nina, a child created in that base, felt Xavier´s suffering and appeared before him offering her help and friendship.
Now, Xavier wants to help Nina escape altought he must sacrifices him!
