It wasn't a surprise to many people when it was announced Tony Stark, the well known billionaire of Stark Industries, had a daughter. They knew it was bound to happen someday with the many times he sleeps around. However, it did surprise them with how much he loved her. Y/n Stark was Tony Stark's daughter, and she was the most special thing in his life. Her life completely changed when he became Iron Man, which also led to her being bitten by a radioactive spider.