Superboy #129

In the heart of Smallville, Superboy discovers a mysterious amnesiac youth with powers eerily like his own—leading him to name the boy Mon-El and give him a secret identity. As Superboy tries to uncover the truth behind his new friend’s origins, strange clues begin to suggest Mon-El isn’t from Krypton after all, leaving the young hero to question everything he thought he knew.

In "Part 2: The Secret of Mon-El!", Superboy's efforts to uncover the truth about Mon-El's origins take a dangerous turn when a misstep exposes him to lead—triggering a shocking memory return. As Mon-El's past as a Daxamite explorer who once met Jor-El and Lara on Krypton comes rushing back, Superboy must act fast to save his friend from poisoning. With time running out, he makes the difficult choice to send Mon-El into the Phantom Zone, hoping to buy the time needed to find a cure.

When space traveler Dworn crash-lands on Earth, his extreme weakness under our planet's gravity makes him vulnerable—yet his rare ability to turn any element into gold draws the attention of desperate criminals. With Superboy, Jonathan and Martha Kent, and Lana Lang all caught in the crossfire, the fragile alien must find a way to survive long enough to escape before his power becomes his undoing.

In a poignant tale from Superboy #129, the Krypton Kid—Zar-Al—arrives from the past with a desperate mission to save his dying world, only to face the weight of a failure he cannot change. As Superboy, Martha Kent, and Jonathan Kent grapple with the echoes of a lost planet, flashbacks to Jor-El and Lara reveal the tragic roots of a hero’s final journey.