It's possible we may see the Man of Steel appear in the Gal Gadot Wonder Woman movie.
Henry Cavill spoke with the Brazilian magazine Superinteressante where he offered he might appear in Wonder Woman, and Cavill also let it be known his Superman won't be appearing in Suicide Squad.
What can I say?... Not in Suicide Squad. In Wonder Woman I haven’t heard anything yet, but watch that space. And in anything else, I don’t know just yet if anything else gets shot between.
Wonder Woman has a June 23, 2017 release directed by Patty Jenkins starring Chris Pine Robin Wright, Danny Huston, David Thewlis , Ewen Bremner, Saïd Taghmaoui, Elena Anaya, Lucy Davis and Connie Nielsen.