Fan Casting Superman: Whatever happened to the Man of Tomorrow?

In the future, after years as Superman had managed to defeat many of his villains, he manages to reach a peaceful time both as Clark and Superman. Despite, or maybe because of, this the villains are returning and are becoming harder and more brutal than ever. After being forced to reveal his identity to Lois, he's forced to send everyone he cares about to the Fortress of Solitude. Yet the villains, lead by the fused together Lex Luthor and Brainiac, has plans that may prove an even earlier end to superman, Can Clark do what he needs to do to save everyone?