If you haven't been following Marvel's Iron Man comics in recent years, you could be forgiven for thinking Howard Stark is Tony's biological father. The truth is much more complicated, and that story has just taken another strange turn. Read on to find out which Marvel character is claiming to be Tony Stark's father now, but beware of spoilers for The Avengers #31! [poilib element="accentDivider"] [widget path="global/article/imagegallery" parameters="albumSlug=the-top-25-marvel-villains &captions=true"] To quickly recap Tony Stark's convoluted family history, Tony first discovered he was adopted in in 2013's Iron Man #17.