They even call her a “coredemptrix”. Part of the Vatican shell game..
It goes much deeper than that.
Recommend you read, The Glories of Mary.
Be prepared though..the book is full of some of the most egregious things I've read on how Roman Catholicism views Mary.
The worship of Mary runs deep in the RCC.
The Glories of Mary, by St Alphonsus de' Liguori