Lucifer will return to Fox on Sept. 19, and as the season one finale promised, the devil himself will be facing off with a mighty opponent this season: his mother. (We only get a glimpse in this season one recap/season two mini-preview, but she’s played by Tricia Helfer.)
Source: Gizmodo – Lucifer Meets His Most Fearsome Adversary Yet in this First Peek at Season Two