Warning: The following contains spoilers from Sunday nightsSupergirl.Read at your own risk!
A very surprising guest-star threatenedKellys (Azie Tesfai)life in tonightsSupergirl.
Hes seen every episode.

Credit: Dean Buscher/The CW
So he cares so much and was so kind and excited and lovely.
It was the best day of work Ive had on this show by far.
We got to do stunts and all of these crazy, cool things.
Unfortunately, that means Malefic will continue targeting her because she poses such a threat to him.
Dont worry, though, that doesnt mean Kelly is off the board.
Where her and James goes is important, says Tesfai.
You find out a lot about the Olsens and their past and a deeper level of both characters.
Jimmy is kind of barrels his way through things or brushes things off.
Kelly is the ultimate accountability coach for that and calls him on all that stuff.
So you do see this side of him that I think the audience has never seen.
They become a very big source of support for one another, says Tesfai.
Things do get really, really crazy this year.
Supergirlairs Sundays at 9 p.m. on The CW.