 Eventually, he returns to his surrogate family as leader of the Fantastic Four when Mr.Fantastic and the Invisible Woman leave the team to raise their son Franklin, at which point Ben invites Crystal and Ms. Marvel II (Sharon Ventura) to fill their slots.Soon after Sharon and Ben are irradiated with cosmic rays, Sharon becomes a lumpy Thing much like Ben was in his first few appearances, while Ben mutates into a new rockier, more powerful form.