The end of "The Treachery of Modulok!" minicomic has a fantastic illustration of He-Man, with his newly acquired Thunder Punch powers, striking a very heroic pose. It was often hard for the writers of these minicomics to feature a new character and not make it seem like a blatant advertisement. In the case of Thunder Punch He-Man I actually think they did a good job; He-Man having earned the right of his new power.
(click on the image to see it at full-size)