Captain America has morals on and is not allowed his shield. Peter is at his top fighting abilities (no jobbing. Fighting like the chicken fights) Fight takes place in gothem. They start 25feet from each other. Who wins?
Pete basically has the toon-force when he starts fighting properly. Not much Cap can do to put him down.
Pete wrecks Cap with toon force.
Peter doesn't really have toonforce in his serious fights. He gets F'ed up, but he's never hit with anything fatal, it's all pain tolerance.