Henry Cavill  on location in Central Park for “Whatever Works” with Woody Allen and Evan Rachel Wood, reportedly after he lost the title role in “Superman Returns” to Brandon Routh. Now this obscure British actor will get a shot at the Man of Steel in a re-re-boot directed by Zack Snyder. Is this a good idea? And will somebody come up with the bright idea of casting the overrrated, over-exposed Carey Mulligan as Lois Lane?