Paper Girls

Paper Girls is an American science fiction comic featuring time travel written by Brian K. Vaughan, illustrated by Cliff Chiang and coloured by Matt Wilson. It launched in 2015 and concluded in 2019 with 30 issues. It features a small amount of prehistoric content.

Plot
Four girls living in 1988 become embroiled in a time travel mystery and a war between two warring factions of time travelers.

Prehistoric Content
The main antagonist, "Grand Father", whose real name is Jahpo, is revealed to be a boy from the year 11,708 BC, saved from being sacrificed by a time traveler. The protagonists meet and interact with his mother in his original prehistoric era.