Fantastic work! Once I read your description, I did see the N and the R in the logo. Pretty cool! Plating and magnetized compartments is excellent thinking as well.
He did have a sidekick named Scout who is now in the Justice Teens but I do like the über buff villainess idea!
I would probably eliminate the rectangle border and print everything "comics" and above. Maybe a change of colors as I'm not sure if yellow t-shirts would go over well. That would be cool though!