Lets say superman and wonder woman were equal speed. Or, if superman is faster, it's not by much. What if superman does tag wonder woman? Will that put her down? Let's say he does heat vision her in the face without her having a shield. Will that put her down? We have seen her take STRONGER heat vision from Doomsday to the face and she got right back up with out a scratch and lassoed him and held him.
Given WW's superior combat skills, comparable speed, and similar strength, what would superman do to her that she could not effectively counter with a deadlier move?
Let's say he goes to grab her to "drag her to the sun". What's to stop her, with her bullet timing reflexes and speed, from countering that with a joint lock or wrestling move?
Since we are using Movie versions, Wrestling seems to be a viable martial art that Amazons were being trained to use at the beginning of the movie as well has acrobatics. Think of Wrestling and Wing Chun at superspeed.
Wonder woman also seems to be an expert on redirecting body weight and controlling limbs as levers of of the body, much like a true martial artist, which she is.
Basically, what can superman do that she can't effectively counter with a more devastating move?