Avengers Assemble! This officially licensed Marvel Comics adult t-shirt features a vintage distress image of The Mighty Avengers, assembled in character squares. Join the Avengers initiative and order your shirt today! This grey, standard fit adult shirt is made from 100% cotton. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Avengers Square Biz tshirt style. Check back often for some of our Avengers clothing and other Marvel Comics merchandise at great prices only at AnimationShops.com.