Avengers Assemble! Proclaim yourself a member of the Earth's Mightiest Heroes, formed to fight the foes no single hero could withstand. Join the Avengers initiative along with Iron Man, Thor and Captain America and order your shirt today! This dip dye, red / black, standard fit juvy 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 On The Grid t-shirt style. Check back often for some of our Avengers clothing and other Marvel Comics merchandise at great prices only at Animation Shops.