Apparently, Captain Marvel was especially concerned about the sorts of people who might pick up a copy of Mechanix Illustrated in this 1942 ad.
![Captain Marvel Ad for Mechanix Illustrated](https://brian.carnell.com/wp-content/uploads/2020/10/captain-marvel-not-for-sissies-759x1024.jpg)
Just another nerd.
Apparently, Captain Marvel was especially concerned about the sorts of people who might pick up a copy of Mechanix Illustrated in this 1942 ad.