"And whence is this to me, that the mother of my Lord should come to me?" Luke 1:43
I'm not ignorant of the verse you cite so your accusation doesn't fly...
However, ignorance of context is just plain ignorance...
You want to show us where Mary was present as the mother of God before the world was created??? What??? You can't??? Oooh, it's just a fable, I mean tradition, in your religion...Don't need any scripture for that, do we...
We don't believe that, so you're shooting blanks. Mary is as much a creature as you or I are. She was created in time, and in fact created in much the same way as any other human, but without the stain of Adam's sin.
Perhaps if you stopped hating (what you think is) Catholic belief and actually tried to understand it, we might make some progress.
But if you deny that Mary is the Mother of God, then you have to believe one of: