Heh heh heh... what?
For crying out loud, the X-Men is home to the Shi'ar, the Brood, the Phalanx, Limbo, Otherworld, Mojoworld, S.W.O.R.D., and the freaking Phoenix Force, yet you're trying to say that the X-Men can't do an extraterrestrial invasion when they have 57 flavors of them?