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.
Jem Carstairs (Infernal Devices): 40% Done!
Oswin Oswald (Doctor Who): 40 % Done!
Magnus Bane (semi-formal), Pikachu, Trainer White: Done!