[Chancellor Palpatine]

Whenever the hero punches an insignificant underling in the jaw, they'll be knocked out cold with the first punch.

In any scene involving the hero with the machine gun and a bunch of insignificant hired goons, they'll all run out in the open to try and shoot the hero, and will get mowed down by dozens in the process.

[Brett66]

Small petite women with toothpick-sized wrists can flatten a 270 pound man with one punch.

[Long Cut]

The Hero's gun will never jam, need cleaning, or otherwise fail. The villain's will, and at the most critical time.