They Blossom in the Winter

Loki imprisoned on Asgard for his acts on Misgard. Must serve Thor and the Avengers. But someone has come down onto stark towers. Someone who knows of everything, but lives not on any of the nine realms, but of heaven. She must take responsibility again for the blue-skinned child, whose grown into a beautiful man, but with a broken soul. She must save Loki to save herself.