Marvel Zombies: Fantastic 4: Under Siege – A Zombicide Game is an expansion for Marvel Zombies introducing the last stand of the Fantastic 4 against their zombie nemesis, which can be experienced in both Zombie Mode and Hero Mode.
 
Featuring Super Heroes, Zombie Heroes, and Bystanders tied to Marvel’s First Family, this expansion takes the action from the ground floor all the way to the roof of the Baxter building, in a unique floor-by-floor board setup that allows players to run this deadly gauntlet in order to secure Reed Richard’s fantastic technology!