Although I bought my son an Avengers costume JUST THE SAME AS THIS one for $22 at Target… Grrrrrr!
Amazon has the Iron Man 2 War Machine costume priced at $13.99 (size 4-6) plus free shipping right now. It also comes WITH the mask! This is a great deal if you are looking for this costume. The other sizes are all priced differently so you will just need to take a look at the size you need. Many costumes are marked down so it is a good time to go browsing, plus the shipping is really fast!