The vast majority of concept art doesn't get used in a movie ... and a couple of new characters we've yet to meet in Marvel's cinematic juggernaut, too. That includes Robert Downey Jr's (yes ...

Ms. Marvel, Cassie Lang, Wiccan, and Speed in addition to Hulk, She-Hulk, and Hulk's odd-looking son Skaar. The concept art also features Wong, Star Lord, and, curiously, X-Men character Doop.