Marvel United X-Men Phoenix Five

About Marvel United: X-Men – Phoenix Five, from BoardGameGeek:

Phoenix Five is a Kickstarter Exclusive expansion that brings a momentous saga to Marvel United. The mysterious Phoenix Force has taken over 5 powerful heroes, turning them into a group of Villains whose unbridled power few can withstand. It will be up to the X-Men, with the aid of Hope Summers, to face a daunting campaign against the Phoenix Five. The outcome of each battle affects the next, and each subsequent foe accumulates more of the Phoenix Force, posing a greater challenge. -description from the publisher