"Let's say that Loki is Laufey's youngest, a useless runt except for how his small stature, shifting abilities and royal blood makes him perfect for a political marriage with Asgard."

The Avengers discover that there are fans who write explicit RPF fic about them. Some of them are very confused. Some are proud. Some don't understand why everyone writes the pairings who aren't together but hardly anyone writes the couple who actually is together. Much silliness ensues.