DIY: Superhero Muscle Shirt/ DIY Batman Costume |do it yourself divas
Hulk Costume Tutorial - the pattern for the actual shirt/pants (PJs) she bought but she includes a free pattern for the muscle detail - size 5ish
SET OF 4 Incredible Hulk Party Masks, Hulk Party Favors, Hulk Costume, Hulk Birthday, Superhero Party, Incredible Hulk Party Decorations
Hulk Foam Costume Test Fit 4 More
Green and Gold Hulk Costume Tutu Dress by LaraGirlsDesigns on Etsy
Superhero Felt Masks - A PDF sewing pattern - Captain America, Hulk and Ironman
DIY No-sew Hulk feet using crocs and green painters tape!
Check out Mens Avengers 2 Deluxe Hulk Costume - Superheroes Costumes from Costume Super Center
Just in case I have to build it...