Ant-Man director Peyton Reed recently revealed that the man behind so many of Marvel’s great characters assisted him in filming Ant-Man by discussing with him some of the tips and tricks that had been learned drawing the character for the comics.
Specifically, the importance of framing a shrunken Ant-Man with normal sized objects in order to impart to the audience the difference is size.
Stan Lee always made a point to cameo in Marvel Cinematic Universe movies, but it turns out that wasn’t all he was doing on set.