Ultimate Fantastic Four: Crossover (solo ep.)

Zombies abound in this episode, wherein which we cover the Ultimate version of the Fantastic Four. Behold in terror as supposedly smart people make some poor decisions and traverse to a nearby dimension where the undead versions of the Marvel heroes run rampant with unrelenting appetites for human flesh. 
YOU KNOW HOW ZOMBIES DO. 
In the introductory story of the subsequent Marvel Zombies series, we take a terrifying tour through an alternate universe and watch superheroes scramble simply just to stay alive. Remember kids, just say NO to Interdimensional teleportation.