The Marvel Cinematic Universe is a media franchise and shared fictional universe that is the setting of superhero films produced by Marvel Studios, based on characters that appear in Marvel Comics publications. Phase One of the franchise includes six films, featuring four different superhero properties, leading up to a crossover in the 2012 film Marvel's The Avengers. The franchise's Phase Two features three sequels to Phase One films, as well as two new film properties, and the crossover Avengers: Age of Ultron, which released in 2015. Phase Three features four sequels to earlier films, and four new film properties, as well as the crossover films Avengers: Infinity War (2018) and Avengers: Endgame (2019). The films from Phase One through Phase Three are collectively known as "The Infinity Saga".
As the franchise is composed of films adapted from a variety of Marvel Comics properties, there are multiple lead actors: Robert Downey Jr. stars as Tony Stark / Iron Man in the films Iron Man (2008), Iron Man 2 (2010), and Iron Man 3 (2013); Chris Evans portrays Steve Rogers / Captain America in Captain America: The First Avenger (2011), Captain America: The Winter Soldier (2014), and Captain America: Civil War (2016), where he is joined by Downey as Stark; and Chris Hemsworth plays Thor in Thor (2011), Thor: The Dark World (2013), and Thor: Ragnarok (2017). All three actors star in The Avengers (2012), and reprise their roles in Avengers: Age of Ultron (2015), Avengers: Infinity War (2018), and Avengers: Endgame (2019). Edward Norton headlined The Incredible Hulk (2008), playing Bruce Banner / Hulk, but did not reprise the role in future films, being replaced by Mark Ruffalo for all subsequent films involving the character. Chris Pratt portrays the lead character, Peter Quill / Star-Lord, in Guardians of the Galaxy (2014), and returns for its sequel, Guardians of the Galaxy Vol. 2 (2017), while Paul Rudd and Michael Douglas respectively star as Scott Lang / Ant-Man and Hank Pym / Ant-Man in Ant-Man (2015) and Ant-Man and the Wasp (2018), in which Evangeline Lilly co-stars as Hope van Dyne / Wasp.
Benedict Cumberbatch portrays Stephen Strange in Doctor Strange (2016), Tom Holland portrays Peter Parker / Spider-Man in Spider-Man: Homecoming (2017) and Spider-Man: Far From Home (2019), and Chadwick Boseman portrayed T'Challa / Black Panther in Black Panther (2018); Holland and Boseman were both introduced in Captain America: Civil War, which Rudd also appeared in. Downey and Evans join Holland in Spider-Man: Homecoming, while Ruffalo and Cumberbatch join Hemsworth in Thor: Ragnarok. Brie Larson portrays Carol Danvers / Captain Marvel in Captain Marvel (2019). Pratt, Cumberbatch, Holland and Boseman also appear in Avengers: Infinity War and Avengers: Endgame, with Rudd, Lilly and Larson also appearing in the latter.
Samuel L. Jackson had cameo and supporting appearances as Nick Fury in several of the early films in the franchise, before co-starring in The Avengers; he would continue to have supporting roles in later films as well. Scarlett Johansson and Jeremy Renner had supporting roles as Natasha Romanoff / Black Widow and Clint Barton / Hawkeye respectively in multiple films in the saga besides their leading roles in the Avengers films. Josh Brolin was cast as the saga's overarching villain Thanos for Guardians of the Galaxy, after the character first appeared at the end of The Avengers portrayed by Damion Poitier. Multiple other cast members recur across multiple films and series within the franchise. The list below is sorted by film and the character's surname, as some characters have been portrayed by multiple actors. All characters that have made appearances in other MCU media, such as the short films, television series, or digital series, are noted.
Phase One
Character 2008 2010 2011 2012 Iron Man The Incredible Hulk Iron Man 2 Thor Captain America: The AvengersIntroduced in Iron Man Phil Coulson Clark Gregg Clark Gregg Clark Gregg Christine Everhart Leslie Bibb Leslie Bibb colspan="3" Nick Fury Samuel L. Jackson Samuel L. Jackson Samuel L. Jackson Samuel L. Jackson Harold "Happy" Hogan Jon Favreau Jon Favreau colspan="3" J.A.R.V.I.S. Paul Bettany Paul Bettany colspan="2" Paul Bettany Virginia "Pepper" Potts Gwyneth Paltrow Gwyneth Paltrow colspan="2" Gwyneth Paltrow Raza Faran Tahir colspan="5" James "Rhodey" Rhodes Terrence Howard Don Cheadle colspan="3" William Ginter Riva Peter Billingsley colspan="5" Obadiah Stane Jeff Bridges colspan="5" Howard Stark Gerard Sanders John Slattery Dominic Cooper Tony Stark Robert Downey Jr. Robert Downey Jr. Robert Downey Jr. colspan="2" Robert Downey Jr. Ho Yinsen Shaun Toub colspan="5" Introduced in The Incredible Hulk Bruce Banner<br/ > Edward NortonLou Ferrigno colspan="3" Mark Ruffalo Emil Blonsky<br/ > Tim Roth colspan="4" Roger Harrington Martin Starr colspan="4" Betty Ross Liv Tyler colspan="4" Thaddeus "Thunderbolt" Ross William Hurt colspan="4" Leonard Samson Ty Burrell colspan="4" Samuel Sterns Tim Blake Nelson colspan="4" Introduced in Iron Man 2 Justin Hammer colspan="2" Sam Rockwell colspan="3" Chess Roberts colspan="2" Olivia Munn colspan="3" Natasha Romanoff colspan="2" Scarlett Johansson colspan="2" Scarlett Johansson Stern colspan="2" Garry Shandling colspan="3" Anton Vanko colspan="2" Yevgeni Lazarev colspan="3" Ivan Vanko colspan="2" Mickey Rourke colspan="3" Introduced in Thor Clint Barton colspan="3" Jeremy Renner Jeremy Renner Fandral colspan="3" Josh Dallas colspan="2" Jane Foster colspan="3" Natalie Portman colspan="2" Frigga colspan="3" Rene Russo colspan="2" Heimdall colspan="3" Idris Elba colspan="2" Hogun colspan="3" Tadanobu Asano colspan="2" Laufey colspan="3" Colm Feore colspan="2" Darcy Lewis colspan="3" Kat Dennings colspan="2" Loki colspan="3" Tom Hiddleston Tom Hiddleston Odin colspan="3" Anthony Hopkins colspan="2" Erik Selvig colspan="3" Stellan Skarsgård Stellan Skarsgård Sif colspan="3" Jaimie Alexander colspan="2" Jasper Sitwell colspan="3" Maximiliano Hernández Maximiliano Hernández Thor colspan="3" Chris Hemsworth Chris Hemsworth Volstagg colspan="3" Ray Stevenson colspan="2" Introduced in Captain America: The First Avenger James "Bucky" Barnes colspan="4" Sebastian Stan Brandt colspan="4" Michael Brandon Peggy Carter colspan="4" Hayley Atwell Jacques Dernier colspan="4" Bruno Ricci Timothy "Dum Dum"Dugan colspan="4" Neal McDonough Abraham Erskine colspan="4" Stanley Tucci James Montgomery Falsworth colspan="4" JJ Feild Gilmore Hodge colspan="4" Lex Shrapnel Gabe Jones colspan="4" Derek Luke Heinz Kruger colspan="4" Richard Armitage Jim Morita colspan="4" Kenneth Choi Chester Phillips colspan="4" Tommy Lee Jones Steve Rogers colspan="4" Chris Evans Johann Schmidt colspan="4" Hugo Weaving Arnim Zola colspan="4" Toby Jones Introduced in Marvel's The Avengers Beth colspan="5" Ashley Johnson Hawley colspan="5" Jenny Agutter Maria Hill colspan="5" Cobie Smulders Georgi Luchkov colspan="5" Jerzy Skolimowski Gideon Malick colspan="5" Powers Boothe Thanos colspan="5" Damion Poitier The Other colspan="5" Alexis Denisof
Phase Two