4. Iron Man 2 (2010) – $200 million
The movie had a budget estimated at $200 million and managed to score a gross of $312 million, making it one of the most profitable superhero movies ever.
Because of Robert Downey Jr. recommendation, screenwriter Justin Theroux (Jennifer Aniston’s husband) got the chance to write the film’s script.
In order to better portray Tony Stark, Robert had gained 20 pounds of muscle.
Tony Stark’s race car at Monaco was supposed to be Iron Man red, but Robert Downey Jr. insisted on driving the blue and white car.
