User blog comment:Noctosphere/Why did Mary come back?/@comment-29408332-20160831224138

God was nearly killed by his sister, an immoral force which is The Darkness. Pretty much anything goes at this point... In the show, Amara saw the pictures of his mom, so she remembered that, and ressurected her as a thanks, as you stated. On Carver's end, maybe he thought that the boys could use a few happy moments this season. With their mom back, their may be a few moemnts for bliss, and moments for Sam to bond with her.