Die For Love

Y/N was an apprentice of Stark and Banner. When they saw Y/N's potential, they recruited her to be an Avenger. But by a mistake, they suddenly changed their view of her. Because of this, she decided to just leave and never return. But after 3 years, she suddenly came back and unexpectedly, their treatment of her changed. What will happen to her when sh agrees to be an Avenger again?