We would be honored. I shall send word when we are ready, and speak to Thor so that we might arrange your accommodations.
Ah ha. That cursed scepter strikes again...
I see. Being imbued with such a power and surviving speaks highly of your resolve, which aids you in casting of magic so effectively. If you were causing others to see their greatest fear, then you are unafraid of using your powers. And that bodes well. More so that you might aid in getting this fell creature out of you and your child.
As for demons, I know of several entities that would be counted as a demon by Midgard's standards.
If it was entering through a portal and required physical contact, the creature obviously isn't psionic or astral. They tapped into another dimension entirely. Then there are several dark entities or sorcerers and their minions it could be. A creature created by the Mhuruuks or rogue Faltines, perhaps.
I suppose that Earth's current Sorcerer Supreme believes he can remove it himself. Appologies, that is not only arrogant but dangerous. If it has created a child out of both of your wills, it will be delicate work.