Все по X-men Movieverse, все с пейрингом Чарльз/Эрик в той или иной степени.

A Summer Day So Late In Coming: Fifty years after they fell in love, Erik comes to Charles with a proposal that rocks Charles's world. Marriage!fic. Written for First Class but as in my head the second half of X3 never happened, I read it as a general Movieverse story and have a set of pictures that fit:


Where There is Darkness: In the autumn of 2012, Daniela Zhou interviews Charles Xavier and Erik Lehnsherr. This is her story. This article is part of The Guardian's Mutant by Mutant series. An edited transcript of Daniela Zhou's interview with Charles Xavier and Erik Lehnsherr can be read here. Social issues.
A Wise Woman Builds Her Home: Full cast genderswap inspired by a kinkmeme prompt. Charlene and Esther team up to fight the sentinels.
Perception: Because of Shaw's brutal conditioning Erik's uncapable of getting aroused unless someone's causing him pain/is humiliating him. He and Charles are getting closer and closer, but Erik's very anxious about an impending sexual encounter, fearing that his needs would disgust Charles. Charles, of course, knows everything and does not judge, nor is he disgusted, but indulges Erik as best as he can, all the while being absolutely determined to break the conditioning and eventually be able to make tender love to him that Erik would be able to enjoy. D/s, PWP.

Fix-It
Not Half As Blinding: Charles discovers that death does, in fact, solve everything. Inspired by the extra scene in X3.
Synthesis (Scenes from an AU): Synthesis is a dynamic process. Or, scenes from the AU where Charles and Erik have sex, get married, become best friends, and run the school together.
Hope Told a Flattering Tale: The visits only last a few hours, and they don't say much, but the time is precious. / A fiendish government agency kidnaps Charles, trying to thwart final destruction of the world (!), and Erik is determined to get him back. All does not go quite as expected. / Almost a year after the kidnapping, there comes a fine summer day where Xavier and his students are going to the temporary carnival for a fun afternoon. Erik's even come in for a visit and (with a sense of humor) agrees to tag along. Of course, things can't go that smoothly, and there's always trouble.

AU
Get Back Up: Tell me not how many times you fell, but rather how you got back up. Or, the story of Charles' many falls and how his friends and the sexiest shark in creation helped him to get up again, stronger than before. Modern 'what if mutants were discovered today' AU, social issues, series.
Hellfire: A modern dystopia in which mutants are slaves. Erik Lehnsherr has been searching for Sebastian Shaw for close to a decade, and the trail's led him to an exclusive club that rents enslaved and collared mutants to wealthy humans for a variety of sexual uses. Posing there, he meets one of the club's patrons, Charles Xavier, who isn't what the club thinks he is, either. Is Charles going to be an ally, or is he going to stand in Erik's way? Series, plot/porn, D/s twist, very hot.
Dead Man's Paradise: Nazi hunter Erik Lernsharr is apprehended and sentenced to prison for the sheer trail of brutality and blood he left in his wake. But before he can be sent to prison, he's purchased by a Deadman Wonderland, the world's only privately owned prison come amusement park, where the prisoners are the entertainment. Slavery, violence, plot, fuck or die.
Skin Deep: Everyone-is-a-werewolf AU. Erik happens upon a seemingly abandoned mansion in Westchester during a full moon and finds an insanely clueless werewolf living in isolation. Plot, world-building, genderbending.
another gorgeous thing that should not have happened: a zombie apocalypse, still-powered au. Dark, mad!Charles, zombies.

Movie Trilogy
Fear the Rest: Charles Xavier's never been sure how it became a war. This is how. The story of the founding of the X-Men and the Brotherhood of Mutants. Social issues, queer issues, HIV, polyamory.
Going Down: series, Xavier/Magneto with a twist.