Someone does the first in everything and then, followed by copiers, it's not like there is one superhero, there isn't even one company that makes superhero comics.
I think the original Cracked did pick up some good artists in their cartoons. We need a strong marketplace.
Sick was another one, around way back in the time of JFK?

The more the merrier per those magazines, as for Cracked.com, yes, that seems to be a leftist outfit. One would really need to research to see if Mad was more against or for, certain political parties back in the day.