That she isn’t happy that Robin’s kiss didn’t work on Marian because of the situation. Marian is frozen and Robin is torn up about it and Regina realizes she doesn’t want him if it means Marion freezes to death. No matter what your ship is that’s some character development right there.
And this is why her redemption is believable, not like Captain Hand Job’s.
Lana Parrilla’s eyebrow has better arc than Hook’s ‘redemption story.’