SmallvilleMichael Rosenbaum
already-green-lit Man of Steel sequel
a Buzzfocus articleSmallville; Funny or Die video

One does have to wonder what sort of reaction, if Rosenbaum does reprise the role, Lex would have to encountering a Superman who is not Tom Welling, doesn't wear a goofy-looking red leather jacket and refuses to answer to the name "The Blur." That'd be confusing for anybody.