Mr. and Mr. Lehnsherr (cherik-mr and mrs smi...
Erik Lehnsherr and Charles Xavier, the world most dangerous assassins. Their identities a secret from everyone, even each other. But their companies are clashing and secrets are hard to keep.... especially from your husband.
(finished btw, I saw someone put this in an 'unfinished' readinglist)
An au loosly based on mr and mrs smith, no need to see the movie and no smut.
Basically i found this amazing Mr and Mrs smith au on fanfiction.net (called Mr. and Mr. xavier), it was great but incomplete. last edited in 2012 :(
Ps. This is my first fic