The animosity between Marvel and DC goes back decades in the comics world, but it's still burgeoning in Hollywood. It turns out a bunch of actors have switched sides in that corporate war over the years -- and some are making that move even now.
Ben AffleckMarvel: "Daredevil" (2003)
DC: "Batman v Superman," future DC Extended Universe movies
Ryan ReynoldsMarvel: "X-Men: The Last Stand," "Deadpool," "Blade: Trinity"
DC: "Green Lantern"
Chris EvansMarvel: Human Torch in "Fantastic Four" (2004) and its sequel, "Rise of the Silver Surfer"; Captain America in Marvel Cinematic Universe
DC: "The Losers"
Tommy Lee JonesMarvel: "Captain America: The First Avenger"
DC: "Batman Forever"
Idris ElbaMarvel: "Thor," "Thor: The Dark World""Ghost Rider: Spirit of Vengeance"
DC: "The Losers"
JK SimmonsMarvel: "Spider-Man" (2002-2007)
DC: "Justice League" (future)
Tao OkamotoMarvel: "The Wolverine"
DC: "Batman v Superman"
Djimon HounsouMarvel: "Guardians of the Galaxy"
DC: "Constantine"
Laurence FishburneMarvel: "Fantastic Four: Rise of the Silver Surfer"
DC: "Man of Steel," "Batman v Superman"
James MarsdenMarvel: "X-Men" films
DC: "Superman Returns"
Adewale Akinnuoye-AgbajeMarvel: "Thor: The Dark World"
DC: "Suicide Squad"
Natalie PortmanMarvel: "Thor," Thor: The Dark World"
DC: "V for Vendetta"
Hugo Weaving
Marvel: "Captain America: The First Avenger"
DC: "V for Vendetta"
Josh BrolinMarvel: Various Marvel Cinematic Universe films
DC: "Jonah Hex"
Michael FassbenderMarvel: "X-Men" prequels
DC: "Jonah Hex"
Michael Clarke DuncanMarvel: "Daredevil"
DC: "Green Lantern"
Halle BerryMarvel: "X-Men" trilogy
DC: "Catwoman"
Tim RobbinsMarvel: "Howard the Duck"
DC: "Green Lantern"
Zoe SaldanaMarvel: "Guardians of the Galaxy," "Guardians of the Galaxy Vol. 2"
DC: "The Losers"
Chin HanMarvel: "Captain America: The Winter Soldier"
DC: "The Dark Knight"
Callan MulveyMarvel: "Captain America: The Winter Soldier"
DC: "Batman v. Superman: Dawn of Justice"
David DustmalchianMarvel: "Ant-Man"
DC: "The Dark Knight Rises"
Parker PoseyMarvel: "Blade: Trinity"
DC: "Superman Returns"
Terence StampMarvel: "Elektra"
DC: "Superman" (1978), "Superman II" (1980)
Angela BassettMarvel: "Black Panther"
DC: "Green Lantern"
Jon FavreauMarvel: "Spider-Man: Homecoming," "Iron Man," "Iron Man 2," "Iron Man 3"
DC: "Batman Forever"
Michael KeatonMarvel: "Spider-Man: Homecoming"
DC: "Batman" (1989)