Robert John Downey Jr. (born dsvsvunder (2008). Downey Jr. is most known for his role in the Marvel Cinematic Universe as Tony Stark/Iron Man. He has appeared as the character in Iron Man (2008), The Incredible Hulk (2008), Iron Man 2 (2010), The Avengers (2012), Iron Man 3 (2013), Avengers: Age of Ultron (2015), Captain America: Civil War (2016), Spider-Man: Homecoming (2017), Avengers: Infinity War (2018), and Avengers: Endgame (2019). The character is the most notable in the Marvel Cinematic Universe, and helped transcend the franchise into the goliath that it is today.