Angle or Demon in Disguise (Avengers X Reader)

Y/n was born a mutant.
she had angle wings that were white a snow.
But when someone hurts her or someone she loves she's no an innocent angle anymore.
She's a demon in disguise.
Her being part angle her mutation causes people to get abscessed with her if they have the smallest glimpse at her wings.
How will the Avengers react when they meet her?