Marcy typically uses her crossbow and keeps distance from her opponent.
I vote to Marcy Wu. While it is clear that Logan Paul is a better H2H fighter, Logan is unable to learn any H2H skill from Marcy because Marcy does not use H2H. Despite Logan Paul is acrobatic, Marcy can do that too (surprisingly). Also, Marcy's equipment will effectively cause troubles for Logan Paul if he gets closer to Marcy. The fact that Marcy is far smarter is not something we need to say but it is very useful here.
In term of AP and LS, they have similar LS (for now, as Amphibia characters will become Class 50 and you may notice that Marcy's LS justification should give her something more than Peak Human), but Marcy has better AP. For WWE characters, they have:
For Amphibia characters, they have:
Either Amphibia calculations are above WWE characters' best feat and Logan is clearly below the Supernatural Tier. On the other hand, Marcy Wu has encountered opponents who cannot be defeated by sheer force several times and won. (Ernst, the honorable victim of Marcy Wu)
You may note that the analysis is based on current Marcy profile.