You can post and discuss theories derived from the comics which the animation Young Justice was based on. This might possibly spoil some people.
Facts from the comics:
- Superboy is a clone of superman with some genes of Lex Luthor added.
- Lex Luther has a degree of control over superboy.
- He almost destroyed the team as instructed by Lex Luthor.
- He died when he fought superboy prime.
An arch from the comics
'Adult Young Justice'
- The yougng justice fights thier adult counterpart from the future who come to the present to change the future.
These are interesting facts and it is highly possible that the animation might follow some storyline from the comics. Young Justice is a different universe so it might or might not follow the comics. However we still can make some theories for possible future scenarios using the comics as basis.