Tony Stark is an actor, known as famous for being Iron man. Tony likes robots he wanted to make robotic armor. When he was able to he was sketching it out. He thought about the movies he watched and all the things he researched about. When he finished he started getting the pieces he needed, like iron for the robotic suit. When he was finished making the robotic armour he tried it and it didn't work. So he thought about his other hobby, movie making and he combined them together and he made an Iron man movie. That is how he was successful.That is how The Avengers was successful!!!!!!!!!!