Werewolf

A hundred years ago the Avengers lived. But now they are gone. Superheroes and supervillans are extinct.
In an alley lives a girl, a girl who keeps to herself. She's homeless. But she has a power that she knows can't be discovered.
He is back. And he has a plan.But the girl is getting in his way. He is the trickster, now mortal though retaining most of his power. And even though the part of him that is is good, his mortal consciousness , is getting in his way, Loki knows he can get rid of her.