X-men Movie Posters
Lex Luthor's mansion is the same mansion used in X2 (2003)

Shawn Ashmore has been on Smallville twice and stars on the X-men movies as Iceman.

Hugh Jackman has in the past been the subject of rumor involving his possible selection as the new Superman, and there was talk of him playing George Reeves once. He finally did play the Man of Steel for a Saturday Night Live skit.