Title: It's No Better to Be Safe Than Sorry
Summary: Based on the iconic "Take On Me" video by ah-ha! Dean's trapped inside a comic book, and Sam won't stop until he finds a way to get him out.
Fic Link GO READ THIS STORY!! (BECAUSE THE ART MAY BE SPOILERY, YO!)
Sam joins Dean in the comic book:
Dean returns to the real world, but is still just a drawing: