For Halloween, superhero costumes are very popular for people of all ages. Many of these costumes fit teens and adults, while others are specifically made for children. Here are some of the on-trend Halloween costumes within the superhero category. Captain America This Captain America costume is the classic version. Like most standard Halloween costumes, the Captain America costume is made from polyester so it is inexpensive and comfortable to wear all night for trick-or-treating. The entire costume is in a jumpsuit, along with fake muscles in the arms and chest, and comes with a fabric mask and belt to complete the superhero costume. It comes in multiple sizes for adults…