Marvel Happy Halloween Avengers T-Shirt Superheroes are always fighting monsters but on Halloween they all take a break to celebrate with the monsters and the Marvel Happy Halloween Avengers Heather Charcoal T-Shirt! Iconic symbols for Captain America, Iron Man, and Thor are printed across white and orange pumpkins with "Happy Halloween" encircling them on this awesome Marvel Halloween shirt! 50% Cotton, 50% Polyester.