Sophia was your mother. SHIELD had fallen apart and as such, she tracked down your father, Tony Stark, who you'd never met, but you knew was your father. She met up with him and convinced him to take you in. Now, to keep you safe, she was sending you to live with him.

Sophia knocked on your door and let herself in once she had your permission. She sat on the edge of your bed. "Hey, sweetheart," She said softly. "Can I talk to you about something?"