Seeing as how I've never seen/heard of Peter Parker getting formal martial
arts training, and is matched by the DareDevil in many aspects, how sending
him to the Tendo dojo for some training?

Or better yet, send some of the gang to Spiderman.
***WARNING***  Author must have a great grasp of witty dialogue for when
Spiderman catches one of their bigger fights (Akane pounding Ranma, Shampoo
beating up Mousse and glomping Ranma, Ukyou trying to hit everybody but
Ranma...

"I've heard about catfights, but this is ridiculus!'