ET caught up with the inspiring 33-year-old actress at Variety's Power of Women luncheon Friday, when she dished about her decision to finally make her health issue public.
Iron Man star Robert Downey Jr., who smiled at Marvel's Avengers: Age of Ultron premiere with wife and producing partner Susan Downey on April 13, 2015, will also reprise his Tony Stark/Iron Man role in Captain America: Civil War.