From The Vault Superman 147

      The comic starts with Lex Luthor in prison talking to the warden and asking to repair other prisoners broken radios. However after he is approved he steals pieces and builds a radio. The radio he makes can travel though the time barrier and because he thinks that the Legion exists in the future that a evil Legion exists in the future as well and calls them asking them to save him.

From the Vault Superboy vol 1 89

       The comic starts with Clark Kent and his family watching the stats when Clark spots a ship coming into the atmosphere. He changes over to Superboy and flies up to the ship and stops it from crashing. However as he lands with it the fuel tanks start to burst into flames and so he gets the boy trapped inside out of it of the craft and into safety.

From the Vault- Adventure Comics 293

     The Comic starts on a afternoon where Superboy/Clark Kent is working at his fathers store. He asks if it is clear to use his superpowers. He then tosses corn onto the shelf at superspeed and his pa then says nice job. Not long after Lana Lang comes into the store and is about to pay for her items. However Clark uses his x-ray vision to see she has forget peaches and helps her to get some. Lana leaves the store she wonders if he is Superboy and Clark knows she is thinking it. Later at home his light sends off a signal saying Superboy is needed.