Interesting post. I'm a non-religious person myself, but that doesn't mean that the comparison between Jesus and Superman isn't valid.
I would like to point out that since Jerry Siegel and Joe Shuster (the creators of Superman) were Jewish, it is not so likely that they wanted their creation to be compared with Jesus. Indeed, I have read someplace that Jerry Siegel was inspired by the story of Samson, the great strongman from the Old Testament, when he created Superman. Maybe that's why Superman has traditionally been far more afraid of a relationship with Lois than LnC Lois has ever been afraid of a relationship with LnC Clark - you know, because Siegel's original creation thought that Lois was his Delilah?
Ann