Morgan was recently revealed to have been cast as Dr. Thomas Wayne, and now Cohan has been confirmed as his onscreen wife Martha. Their appearances onscreen are expected to be brief as in the comics, Bruce Wayne loses his parents as a child, later inspiring his decision to fight crime as alter ego Batman.

Henry Cavill reprises his role as Superman for the Man of Steel sequel, while Ben Affleck stars as Batman, Gal Godot is Wonder Woman, and Jesse Eisenberg portrays Lex Luthor.

Batman v Superman: Dawn of Justice, directed by Zack Snyder, is set for release in March (16).

It's not the only big comic book role Morgan has added to his resume - The Watchmen star will make his debut in zombie series The Walking Dead as iconic villain Negan during the season six finale, which is due to air in the U.S. this spring (16).