File:Doom and Heretic share the same universe?

Does Doom and Heretic share the same universe? In this video I have a few theories and thoughts as to why they could possibly be in the same universe and if the Doom Slayer is.....the Heretic. Check it out and let me know what you think! . . . Instagram: https://www.instagram.com/ripntear_gaming Twitter: https://twitter.com/ripnteargaming1 Amino: https://aminoapps.onelink.me/4eRt/RipNtearGaming