Superman,Superboy & Supergirl vs Maelstrom
Three Super people vs Maelstrom at full power.
Superman- http://en.wikipedia.org/wiki/Superman
Superboy- http://www.dcdatabaseproject.com/wiki/index.php/Superboy_%28Kon-El%29
&
Supergirl- http://www.dcdatabaseproject.com/wiki/index.php/Supergirl_%28Matrix%29
vs
Maelstrom- http://en.wikipedia.org/wiki/Maelstrom_%28comics%29