juanvazquez, welcome to the forum.
I read a book once by Barbara Grizutti Harrison, who was brought up as a JW after her family left the Roman Catholic Church. She left the JW religion as a young adult. The title of rhe book is Visions of Glory: A History and a Memory of the Jehovah's Witnesses. She had a Jewish friend named Arnold who would defend her and even hold her hand when she refused to salute the flag or stand for the national anthem. There's a chapter in the book called "God Can't Kill Arnold."
Be supportive of your wife, but find ways to make her question the bizarre beliefs she has been taught. This can go a long way in getting her to open her mind to other ideas. But don't expect anything to happen too quickly. Overcoming the brainwashing takes a lot of time.