I think the issue here is that part of NJ's religion is a dogma about the uniqueness of God.
So therefore, any attempt to try to get NJ to admit some seeming hypocrisy with regard to belief will fail because his disbelief in Loki comes FROM his beliefs within Christianity and not in and of itself.
Of course, biblical creationists are committed to belief in God's written Word, the Bible, which forbids bearing false witness; --AIG (lest they forget)