So, because of this, the zombified Reed took his attention to his Ultimate counterpart. Fantastic though he had no choice but revert the invasion, so, he and Spider-Monkey used a time-machine and a interdimensional travel machine to make their consciousness re-incarnate at their bodies of the past to revert the invasion, diverging Earth-8101 to Earth-95019 and Earth-2149 to Earth-21050. Having nothing to eat, the zombified Fantastic Four had the idea of invading the Marvel Apes' reality however, the other zombies invaded it first. The main reason for why the infection spread so quickly could be considered the zombified Quicksilver, since he used his speed to travel around infecting other countries. Despite the efforts of Nick Fury and Ashley Williams, nothing stopped the zombies from eating and spreading the disease to the whole world. In less than 24 hours, all of Earth was infected. They were quickly infected and spread the virus to the other heroes. When the zombie Sentry arrived, the Avengers were sent to investigate. Zombie Mister Fantastic (Reed Richards) That was all it took to end an entire world. One super hero from an infected universe. Within twenty-four hours, we'd consumed the entire planet. by infecting super heroes just like him and sending them out to infect the others. What they didn't know is that the infection had targeted the super heroes of this dimension and a thousand realities before us. That idiot Colonel America reassuring everyone that everything would be fine now that the super heroes have arrived. Can you picture them? Faces grave, concerned for all those human casualties. The Avengers were the first on the scene. but having experienced this hunger firsthand I'm afraid that I now know better. Was he really that strong? Had the infection made him so determined to get here in search of a brand new food supply? At the time I said no. Nobody knows what caused this exactly, but some people think it might be a punch. They said it all started with a flash in the sky and a ripple through the clouds.