Mark

Now regarding Gen 3:15

I dont think you have fully understood what i said. I did say that you can gain from other passages that Jesus conquered over Satan. I did say that Christians read Jesus back into Gen 3:15 or at least interpret it this way.
My point though was simply that exegetically, reading the verse in it’s original language, context etc it is not about one ‘crushing’ the other. The actual language used is each bruising each other. This is simply pure exegetical fact.

That said, i do not disagree that we as Christians like Calvin can understand this as the first prophecy of the messiah. But this is reading it in our position in salvation history. I agree with Calvin and you that this could be a prophecy, but exegetically the verse is not dealing with Eve’s seed ‘crushing’ the serpents.
Have i explained this well enough?