Warner Bros. Pictures presents, in association with Access Entertainment and Dune Entertainment, an Atlas Entertainment/Cruel and Unusual production ; a Zack Snyder film ; produced by Charles Roven, Deborah Snyder, Jon Berg & Geoff Johns ; story by Chris Terrio & Zack Snyder ; screenplay by Chris Terrio and Joss Whedon ; directed by Zack Snyder
Marvel Studios presents ; produced by Kevin Feige ; executive producers, Jon Favreau, James Gunn, Stan Lee, Victoria Alonso, Michael Grillo, Trinh Tran, Louis D'Ésposito ; screenplay by Christopher Markus and Stephen McFeely ; directed by Anthony and Joe Russo