Cate Blanchett played the villainous Hela in "Thor: Ragnarok."
Robert Downey Jr. brought Tony Stark's Iron Man to life in 2008. There have been two sequels, and Iron Man is a major star in "The Avengers" films.
Brie Larson takes on the role of Captain Marvel in a film set to release in 2019.
The first "Avengers" movie, released in 2012, is the third highest-grossing movie of all time. A sequel, "Age of Ultron," was released in May 2015. "Captain America: Civil War" showcased the split between the Avengers as they fight one another.
Chris Evans, who first donned red, white and blue for 2011's "Captain America: The First Avenger," continued his fight against evil in 2012's "The Avengers" and 2014's "Captain America: The Winter Soldier." He reprised his role in "Avengers: Age of Ultron," "Captain America: Civil War" and "Avengers: Infinity War."
"42" star Chadwick Boseman plays the comic-book hero Black Panther, who was key to the plot of "Captain America: Civil War."
Mark Ruffalo got to wear the Hulk's stretchy purple pants in "The Avengers" and its sequels. Eric Bana and Edward Norton played the character in two previous movies: "Hulk" (2003) and "The Incredible Hulk" (2008).
Paul Rudd stars as "Ant-Man," also known as Scott Lang, a superhero who can change his size.
Chris Hemsworth played Thor in the Avengers films as well as three of his own.
Oscar winner J.K. Simmons' over-the-top performance as J. Jonah Jameson in the original "Spider-Man" trilogy endeared him in the hearts of comic book fans. He returned to that world starting in 2017 as Batman's ally Commissioner Gordon in the two-part "Justice League" movies.
Ryan Reynolds played motormouth assassin "Deadpool" in 2016's surprise R-rated blockbuster as well as the sequel.
Reynolds was also DC's Green Lantern in 2011, but critics and audiences weren't too thrilled with it.
Jared Leto's disturbing take on the Joker in "Suicide Squad" set fire to social media.
Aunt May is not exactly a superhero -- but she's certainly super in the world of Peter Parker and "Spider-Man." Marisa Tomei plays the important role of Parker's adoptive mother in the new "Spider-Man" films.
French actress Elodie Yung is villain Elektra in Netflix's "Daredevil."
"The Walking Dead" star Jon Bernthal is fan favorite Punisher in the Netflix's "Daredevil" series.
Olivia Munn plays the popular mutant Psylocke in "X-Men: Apocalypse."
Charlie Cox portrays Daredevil in the Netflix series.
Hugh Jackman has played Wolverine in every "X-Men" and "Wolverine" movie since they began in 2000. He announced that he plans to retire the character.
Following in Tobey Maguire's footsteps -- er, spider webs -- Andrew Garfield starred in 2012's "The Amazing Spider-Man." He reprised the part in a 2014 sequel.
Chiwetel Ejiofor plays ally-turned-enemy Baron Mordo in "Doctor Strange."
Chris Pratt was best known as a TV actor before he bulked up and rocketed to movie stardom as Star-Lord (Peter Quill) in the "Guardians of the Galaxy" movies.
Mike Colter is superhero Luke Cage/Power Man in the Netflix series "Jessica Jones" and "Luke Cage."
Viola Davis is Amanda Waller in "Suicide Squad."
Krysten Ritter landed the role of Marvel's "Jessica Jones" in the Netflix series.
Fan favorite Harley Quinn was portrayed by Margot Robbie in "Suicide Squad."
Will Smith plays the antihero, gun-toting Deadshot in "Suicide Squad."
Idris Elba appeared in "Avengers: Age of Ultron" and "Infinity War" as his "Thor" character, Heimdall.
The late Christopher Reeve wore the red cape in 1978's "Superman" and its three sequels. Brandon Routh took over in 2006's "Superman Returns," and Henry Cavill has taken the role in the latest movies.
Following Michael Keaton in 1989 (and 1992), Val Kilmer in 1995 and George Clooney in 1997, Christian Bale drove the Batmobile for all three of the Batman movies directed by Christopher Nolan.
Ron Perlman went red for Guillermo del Toro's "Hellboy" in 2004 and "Hellboy II: The Golden Army" in 2008.
"Captain America" wasn't Chris Evans' first time battling evil in a form-fitting blue suit. Evans, Ioan Gruffudd, Jessica Alba and Michael Chiklis were the "Fantastic Four" in 2005. They teamed up again in a 2007 sequel.
Mikey Kelley, James Arnold Taylor, Nolan North and Mitchell Whitfield voiced the Teenage Mutant Ninja Turtles in 2007's "TMNT."