Dominique Thorne Is Ironheart in Iron Man Spinoff Series for Disney+ Dominique Thorne Is Ironheart in Iron Man Spinoff Series for Disney+ Marvel Studios has announced a new Iron Man spinoff series called Ironheart which fans are eager to see. Marvel Studios has announced an Ironheart Disney+ series. Dominique Thorne will star in the title role. Thorne stars as genius inventor Riri Williams who creates the most advanced suit of armor since Iron Man himself, Tony Stark. The character has been a fan-favorite for years now, so there is likely quite a lot of excitement for the upcoming series. With that being said, Marvel Studios boss Kevin Feige did not reveal a premiere date for the upcoming Disney+ series, but he did reiterate that the series will tie into the big screen adventures in the coming years.