Question: is monel in season 3?
Answer: Supergirl: Mon-El's Return Explained. In this week's episode 'Wake Up', Mon-El (Chris Wood) is finally back. Since Supergirl season 3 began, Kara Danvers (Melissa Benoist) has been in mourning since she sent Mon-E away in order to save the Earth from a Daxamite invasion to conclude season 2.