Superboy: Boy of Tomorrow is a spin-off series of Smallville that mainly focuses on Superboy after the death of his brother and mentor, Clark Kent a.k.a. Superman. The theme song is My Hero by Foo Fighters.
Pilot- Clark has defeated Darkseid and is known to the world as Superman. Everything is going well for everyone, until Lex Luthor's assistant, Mercy Graves, finds a way to give Lex his memory back. After regaining his hatred for Kal-El, he begins plans for an ultimate weapon that will be able to kill Superman. Superboy does not appear.