Here is a list of the best Robert Downey Jr. movies to watch on Amazon, Google Play or iTunes.
My favorite ones are "Iron Man" trilogy and "Avengers" quadrilogy.
Also here are the best movies of all time and genres.If you like movies of specific genre, here are my list of the best action, adventure, animation, biography, comedy, crime, documentary, drama, family, fantasy, history, horror, musical, mystery, romance, sci-fi, sport, thriller, war or western movies.
If you have more time, feel free to check out my other lists of the best dilogy, trilogy, quadrilogy, pentalogy or hexalogy movies.
Or feel free to check out my other movie lists of the best movie directors, actors or actresses.

Captain America: Civil War
2016 | Anthony Russo, Joe Russo
action sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon or Google Play.

Iron Man
2008 | Jon Favreau
action sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

Iron Man 2
2010 | Jon Favreau
action sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

Iron Man 3
2013 | Shane Black
action sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

The Avengers
2012 | Joss Whedon
action adventure thriller sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

Avengers: Age of Ultron
2015 | Joss Whedon
action adventure thriller sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

Avengers: Infinity War
2018 | Joseph Russo, Anthony Russo
action adventure drama thriller sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

Avengers: Endgame
2019 | Joseph Russo, Anthony Russo
action adventure drama sci-fi thriller
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.

Spider-Man: Homecoming
2017 | Jon Watts
action adventure sci-fi
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon, Google Play or iTunes.