Don't Underestimate Me//Blackfrost (Marvel)

After a failed mission to hunt down Loki, Natasha finds herself in an Asgardian prison cell. When she realizes she's stuck on another realm, she must devise a plan to escape realizing her fate rests on the God of Mischief.

Red Room

The Avengers- No one knows the deep, dark past of Natasha Romanoff. Not even she knows of a secret plaguing her mind, stolen from her by a mischievous god who knew her before she even knew herself. When that secret is unearthed, history repeats itself and untold dangers grip the ones she loves. Trust is betrayed, new...