Avengers Assemble! The triple packed fury of Captain America, Iron Man and yes....we have a Hulk, are assembled on this richly illustrated youth kids t-shirt. Join the Avengers initiative and order your shirt today! This black, standard fit youth shirt is made of 100% cotton. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Avengers Action Packed tshirt style. Check back often for some of our Avengers clothing and other Marvel Comics merchandise at great prices only at AnimationShops.com.