Three Elders of the Universe vs Superboy Prime

Champion- http://www.marveldatabase.com/wiki/index.php/Champion

Obilterator- http://www.rapsheet.co.uk/RapSheetMain/Character2.asp?UniqueId=578

&

Runner- http://www.marvunapp.com/Appendix/runnerelder.htm

vs

Superboy Prime- http://en.wikipedia.org/wiki/Superboy_Prime