Warner Bros. has not commented officially on the news, which was first reported by the Collider site.
The first footage for “Batman v. Superman” was unveiled last year at Comic-Con, a year after the project was announced as a sequel to 2013’s “Man of Steel.”
Zack Snyder is directing from Chris Terrio’s script, from a story by Snyder and David S. Goyer. The cast includes Henry Cavill, Ben Affleck, Gal Gadot, Amy Adams, Diane Lane, Laurence Fishburne, Jesse Eisenberg and Jeremy Irons.
“Batman v. Superman” is scheduled to be released on March 25, 2016.