?Spider-Man: Homecoming? may have been about Peter Parker but it was Tony Stark who got paid the best. Robert Downey Jr. made his Marvel appearance as Tony Stark in his own film ?Iron Man.? That filmed earned over $500 million worldwide and since then Marvel has just continued to grow. In simply his supporting role in ?Spider-Man: Homecoming? Downey Jr. earned $10 million. In the film Stark appeared for a total of 15 minutes as the mentor for Spider-Man.