Steve Rogers had to be injected with serum to become Captain America. All you need to look the part is this Captain America costume t-shirt. Since his debut in 1941, Captain America has been wowing audiences with his heightened endurance and indestructible shield. As a founding member of The Avengers, Captain America is among the most popular of all comic book heroes. Let everyone know that you are a fan with this Captain America Costume T-Shirt!