World's Finest Comics #300

In "Chapter VI: What Time Has Joined Together...!", Batman journeys through time to Smallville, where he saves Jonathan and Martha Kent from a shoplifter. Focusing on his mission, he reunites with Omicron and together they traverse the time stream, reaching the very beginning of time’s flow.

In "Chapter VII: A New Genesis!", Superman and Batman unite to convince Zeta to abandon his campaign against Earth, leading them to a daring mission to save the planet Olda. With the help of the young giants from a distant future, they race against time to alter a dire fate—before it’s too late.

In "Epilog:", Superman and Batman, having just returned from a battle that has ended, stand together on Earth once more. After a long rift, the two heroes find common ground, their shared resolve leading to a quiet moment of reconciliation as they extend their hands in friendship.