Not just toxic but corrosive

[vass]

Tony gets them with his repulsors and they sizzle and explode, which is all well and good except that Steve’s unconscious on the floor and covered in toxic goop. Luckily, the evil scientist likes to be safe with his evil science and has a decontamination shower. Unfortunately (or fortunately) Steve, being unconscious, will need someone to scrub him down and the Iron Man suit won’t fit into the shower along with his fainting fried.