Of course, Ms. Rushman turns out to be more than she appears. In fact, when Tony Stark asks her if she actually speaks Latin, she responds with the phrase "Fallaces sunt rerum species," which means "The appearances of things are deceptive.
They forgot Sebastian Stan! "Hey mate you want to be in this? Buckynat could be the end credits scene-" "YES YES YES YES DO NOT START WITHOUT ME!" *smears on black camouflage warpaint* 'scuse the swearing