The Other Stark(Discontinued)

What if Tony's hacker daughter was an Avenger? What if she wasn't really his daughter? Isabelle Stark is the daughter of Tony Stark, but everyone calls her Bugs. Or at least she thinks she is. She was left on is door step as a baby. She grows up knowing she is adopted. What happens when her birth family show up after one of her Dad's party's? To help fix the mess Tony made with Ultron, Bugs calls upon her friend the Doctor.

Starts during Age of Ultron.