My guy people knew who Iron Man was. He had a Saturday morning cartoon show in a popular block with merch. Even if they don't know anything about him, they could probably have looked at a picture and went "Iron Man, I think?". That's not D-List. That's not Cat Man pre-Gail Simone.
https://i.ibb.co/Twbb1b6/20240223-211737.jpg
https://youtu.be/qj9p6IFSlnk?si=cZ5L4OPM0TjVjwCD