In the new comic mini series. Earth has been invaded by zombies. #1 picks up some years after the initial outbreak. Spiderman, Moonstone, Forge, Franklin and Valieria Richards (the kids of mr fantastic and invisible woman) are trying to survive with zombiefied heroes and villians out there.

we learn Franklin has lost his powers during this time and has stopped aging. (he is between 12-14 normally). So his younger sister Valeria likes to joke he is her younger brother which he hates