One Halloween costume genre that is evergreen and will always be popular are fictional superheros. Superheros are popular because both men and women get to live out these fantasy lifestyles where they have super strength and can scale tall buildings with a single leap. Muscle man costumes such as Iron Man, Batman, Spiderman and Superman muscle costume are popular among both young and older men as well as women. Who doesn’t like to have super strength with all the bulging muscles? It’s good for your ego as well to attract members of the opposite sex. Don’t be afraid that you will be out of date if you decide to go with a muscle costume this Halloween season.