Tess acquires a Kryptonian box that once belonged to Lionel Luthor. When Clark accidentally activates the box, he's transported to a parallel universe where Lionel found Clark in the cornfields instead of the Kents. In this universe, Clark Luthor is a murderer and Lois is engaged to Oliver and both of them hate Clark. Clark must be careful not to tip off Lionel that he's not his son while trying to figure out how to get back to Earth where the monster Clark Luthor was transported in his place.
Did You Know?
Lionel tells Clark about putting on an Ultraman persona, this is true on Earth-3 he was a tyrant of what was known as the Crime Syndicate and kryptonite actually made him stronger, Krypton never exploded and he was sent to Earth to rule it by force. See more
In the alternate universe, the infant Kal-El was named Clark Luthor because it was Lionel Luthor who found the Kryptonian spaceship. However, there was no reason Lionel would have given him the name "Clark," as it was Martha Kent's maiden name. See more
You should stay away from me.
Why are you so afraid?
'Cause - 'cause no one sees Ultraman and lives to tell about it.