Revelation 11:19-12:1-2a; "Then God's temple in heaven was opened, and the ark of his covenant could be seen in the temple. There were flashes of lightning, rumblings, and peals of thunder, an earthquake, and a violent hailstorm. 12:1 A great sign appeared in the sky, a woman clothed with the sun, with the moon under her feet, and on her head a crown of twelve stars. 2a She was with child"
Mary as the New Ark of The New Covenant contained Jesus.
Jesus is the High Priest of the new Priesthood - Heb.7:11
Jesus is the new Law - Heb.7:12
Jesus is Eucharist, food for the ultimate journey - Jn.6:54