Ahhhhhh somebody filled my zombiepocalypse AU prompt! :D :D :D It's not done yet and it's shaping up to be an epic but so far it is absolutely rich in historical detail and shell-shocked, lonely survival, and you should go and encourage them to write mooooore so that I can see when Erik and Charles meet and the delicious h/c that is bound to ensue!
Links to the chapters are listed here!