Superman: Rebirth Book 4
It's a game of thrones on Apokolips as the lords of the dreaded world battle one another to claim its rule. Lex Luthor is summoned back to the warring planet, and he will need Superman to help him reclaim a crown he did not ask for. Plus, when Superboy comes face to face with Boyzarro, the Son of Bizarro, a strange transformation begins to take place. But that's not all that the Kents have knocking on their door!
Collects issues #37-45 and SUPERMAN SPECIAL #1, plus a story from ACTION COMICS #1000.