Originally Posted by cherokeesam
He didn't create the "Iron Legion" to be proxies, though. He fully intended each suit of armor to be used to its intended purpose in any given situation --- i.e., if he needed to go into space for a mission, or go underwater, or be "invisible," etc. It was a desperation move to fire up the whole batch of them and have JARVIS r/c them into attacking the AIM base en masse.
He called the Mark 42 autonomous at the start of the movie