In one account, a Kryptonian villain named Xonar, formerly Khai-Zor, an enemy of Jor-El's, almost killed Jor-El before another Kryptonian, Doctor Krylo, was able to save him. Krylo believed Jor-El's prophecies of Krypton's doom and developed a form of suspended animation that he hoped would preserve himself and Jor-El's family in space 'coffins' with an included taped primer on how to revive the travelers. After Krypton's explosion, both baby Kal's and Jor-El, Lara, and Krylo's capsules are found by Xonar (himself an escapee of the disaster) many years later. Xonar revived Krylo and used the taped message of Jor-El's to lure Superboy into space. In the ensuing conflict, both Xonar and Krylo died, but Superboy managed to guide Jor-El's and Lara's capsule back to Earth with the help of a space-suited Jonathan Kent. In this tale, Jor-El and Lara perished from deadly radiation.
The details of this adventure were never referred to again, and are contradicted by other chronicles.
