Rachel Brosnahan stars as Lois Lane in the new "Superman" movie. She spoke to "CBS Mornings" about preparing for the role.

Superman also stars Nicholas Hoult as Lex Luthor, Skyler Gisondo as Jimmy Olsen, Milly Alcock as Supergirl, Isabela Merced as Hawkgirl, Nathan Fillion as Green Lantern and Edi Gathegi as Mr. Terrific. Sara Sampaio, Terence Rosemore, Anthony Carrigan, María Gabriela de Faría and Wendell Pierce also star.

It’s a bird, it’s a plane, it’s Rachel Brosnahan in a public restroom. The actress, 34, revealed what she was doing when James Gunn called to offer her the role of Lois Lane in the new “Superman.”