6 - CATALYST PART 1 After a routine mission dealing with a strange comet, the X-Men unexpectedly lose their powers. While they come to terms and react in different ways to their new situation, an army of Sentinels begin their siege on the mansion.
7 - CATALYST PART 2 When the Sentinels analyze the altered physiology of the X-Men, they cease their attack. Their new mission: exterminate the mutants known as Quicksilver and Scarlet Witch. Can the depowered X-Men save their friends?
8 - In the strangest swamp in the world, untold horrors await the young mutant team. Only one even stranger creature can walk this unfathomable realm intact. The X-Men face a nightmarish future... possibly the true one-when they journey into fear.