[OC x Iron Man] It was an on-running joke among the Avengers team the Tony Stark had a kid somewhere on the planet. Mr. Playboy, Billionaire, CEO of Stark Industries, selfish and narcissist. As a matter of fact, he did. Madison Stark was born May 14, 2003 (5 years before Iron Man) in a city in New York state. Unknown to the Avengers; what happens when she pops up on his doorstep? Disclaimer: The Avengers are owned by Marvel and Disney! I am not affiliated with them. Madison Stark is my own creation.