As far as Avengers crossplays go, most Tony Starks use sharpie, eye pencil etc and draw it on. You might be able to stibble it on using a makeup sponge, but that's the most I know.
Skyrim Casual: 30 % Done!
Kaylee Frye (Firefly): 40% Done!
Jem Carstairs, Oswin Oswald, Magnus Bane, Pikachu, Trainer White: Done!