User blog comment:Paleomario66/DEATH BATTLE-Mario VS Sonic REMATCH!/@comment-30300307-20170227124753

Assuming that this battle is bloodlusted then Sonic speedblitz since he is FTL while Mario is Massively Hypersonic...

If not bloodlusted then Sonic would get cocky and allow Mario to land a few hits on him even though it won't be easy.