This example I think really shows how one simple print can greatly elevate a shirt. This is just a black spider, printed on a plain red shirt, and it already makes me feel 100x cooler. I didnt need to work out a way to get all the webbed lines on the shirt, I actually reused a print from Spider Man Cards

Of course, I then made a cropped version of the shirt, which I then combined with a blue shirt to make it a bit more Spider-Man, but I think without that simple print, it would not make nearly as much sense.