A new era for Marvel's first family! When the Fantastic Four take on Doom, things go well until they suddenly go catastrophically wrong - and they're sent to four different eras in Earth's history! Alone and isolated in wildly different time periods, Reed, Johnny, Ben and Sue all have to fight to survive. Their only hope is to reach the Forever Stone: a mass of dense granite that happens to be one of the longest-lasting rocks on the planet, which - through a combination of obscurity and raw geological luck - has stayed both intact and accessible for most of Earth's history! Collecting, FANTASTIC FOUR (2025) #1-5, FREE COMIC BOOK DAY 2025: FANTASTIC FOUR/GIANT-SIZE X-MEN #1