So...what kind of threat left for Lelouch & co to oppose? Pocket resistance? At the end of R2, they said the world is more united now more than ever and Nunnally rules the Britannia.
Gundam 00 did the alien-route in the movie (which was thankfully a foreshadowed conclusion, so it didn't really came out of the blue). So what will
Resurrection do? Make Schneizel snaps out of his geass and takes over the empire?