"Breaking Bad" star Bryan Cranston may be on board to play Superman villain Lex Luthor in the upcoming "Man Of Steel" sequel.The report comes from "Cosmic Book News," which also says the deal will see Cranston reprise the role in future spin-offs of the franchise. Warner Brothers has not made any official announcement about Cranston's rumored addition to the cast. The studio created a stir last week with the announcement that Ben Affleck would play Batman in the new "Man of Steel" movie.