Hi! There is a bunch of X-Men First Class fanfic on this journal, and this (for your convenience) is one of those masterlist things that are always so groovy.
If you're here looking for ridiculous crack, you've come to the right place.
All of these were written for prompts on the kinkmenes, thank you to all the wonderful OPs :D
Short, cracky and silly (ie almost everything)
The Holiday Lights Battle (Charles/Erik, Emma/Shaw, 3,300 words)
and on AO3Some people take their holiday light displays just a little bit too seriously. Erik is one of those people.
Having Kittens (Charles/Erik, 2500 words)
A pregnant Charles gets turned into a cat. Yeah, that's pretty much it.
We're All Naked Under Our Clothes (Charles/Erik, 750 words)
When they are alone, Erik runs around naked ALL the time. Charles doesn't want to be a prude, but it's freaking him out.
By Any Other Name (Charles/Erik, 1,700 words)
Charles likes to use pet names. Erik finds this a little trying.
Kitten!Crack (Gen, 700 words)
Post-divorce, Erik adopts a kitten.
Top of the List (Charles/Tony Stark, 1,500 words)
One of Tony's life goals is to have sex with as many superheros as possible. He even has a list. He hopes to add Charles to that list very soon.
Sharing is Caring (Charles/Erik, 2,500 words)
Charles catches a cold and his powers go a teensy bit off the rails.
Short and angsty
Into White (Charles/Erik, 3,000 words)
The worst thing someone can do to a telepath is to isolate them completely from the rest of humanity. Erik was not aware of this.
Longer completed fics
Downtown (everything's waiting for you) (Charles/Erik, 13,000 words)
and on AO3Charles is a rich CEO, Erik is a hooker with a heart of gold... you know where this is going.
Late Bloomer (Charles/Erik, 80,000 words)
Highschool AU. Charles flirts. Erik angsts. Stryker strikes.
WIPs
The Crack's the Thing (First Class / Doctor Who Xover fic, Charles/Erik, 10,000 words for Part 1)
The Doctor gets sidetracked on his way to pick up little Amelia. He ends up in the Xavier mansion instead.