Here's a cool piece of concept art that was created by Andy Park for Guardians of the Galaxy. It features the villain Nebula sporting a different costume design than what we ended up seeing in the final film.
He released the image on Twitter with the following caption:
"Had the most fun working on #GuardiansOfTheGalaxy My fav was designing Nebula! @KarenGillan2 was badass! #marvel"
Nebula is one of my favorite villains in the Marvel universe and I can't wait to see where they take the character in future movies.