In this corner, we have the Metropolis Kid, Conner Kent (Post Crisis and Wonder comics feats apply)

In this corner, we have his alternate self, the Herald of Harvest, Kon-El (n52)

Then, we have Kon-El's original Template, the Boy of Tomorrow, Jonathan Lane Kent! (n52)

And finally, the Son of Superman, the one, the only Jonathan Samuel Kent!

Four superboys enter, only one leaves! Let's do it!

Bonus:

Can all 4 Superboys, working together, stop the most evil Conner Kent in all of Hypertime? BLACK ZERO!!!!!!!