Per the thumbnail image, we see potential contenders have been Will Smith, Ben Affleck and the late Paul Walker. Check out 47 more above.
Of course the current Superman is played by Henry Cavill who will take on the Dark Knight in Batman Vs. Superman next March.
Fans have also been vying to get Smaillville's Tom Welling as the Superman for the CBS Supergirl TV series.
My Superman of choice is and will always be Christopher Reeve.