Superboy Prime vs 10 GLs
I guess we all know Superboy Prime has killed 32 GLs at once, and flown throw a 300 mile long wall of willpower, etc., etc., but could he beat these ten GLs at once?
Hal Jordan
Kilowog
Sodam Yat (No Ion power)
And these 7 new lanterns (each is trained by Hal and Kilowog for 2 months before the fight):
Batman
Captain America
Superman
Super Girl
Power Girl
Spiderman
Amadeus Cho (has no other tech or weapons or powers)
All ten lanterns fight SBP at once, on the surface of the Earth's Moon.