bruh imagine trotkyite assasins creed in ussr under stalin, it could go so fucking mental, first you are doing your job fighting porkies-templars in the 20s, then duplicitious stalin betrays revolution™, so you hunt red comissars (with tears on your eyes), but then nazi invasion happens and you fight templars again

or you could go anarchist route via kronstadt-lenin-kirov and still arrive at besieged leningrad

p.s. they even have good cities, compared to wasteland of ac3:wooden huts