Deirfiúr

-AU to Nightingale.- During his exile Thor realizes something is terribly wrong with his brother, which prompts him to look up the one person he believes can help, someone no one but him and Loki himself know exists: his sister, his brother's wife... The two of them together just might be able to save the one they care for most. (X-Men movies and AoS cameos) LN, TJ, PD and others.