Doesn't it bother your wife that women within the JWs are basically regarded as second class citizens?
Surely she realizes that she's got more brains in her pinky toe than most of the Elders™ she knows?
That is an angle that will appeal to her intellect, and it could rekindle her affections for you, if you support her growth as a spiritual person by asking her to help you research things.
Does she like to read? If she likes historical type novels, give her The Red Tent by Anita Diamant. It's the story of Jacob's daughter Dinah, written from her female perspective. It was one of the first novels I read when I was freshly out of the JWs, and it presented an alternate viewpoint considering the stories in the Bible were all male-centric.
Try to do some things with her - first on non-Meeting™ nights and then gradually introduce events on Meeting™ nights - that she's always wanted to do as a couple. Maybe take a cooking class or a wine making class together or ball room dancing. If she likes going to movies have her choose a movie that she likes one week and you choose one that she will like the next week. Find a nice park in your area and go for a picnic with her and the children. Go to a child-oriented museum. Really focus on your relationship as a couple and family togetherness. I can't stress enough how important it is to slip positive non-JW activities into your life NOW. The JWs will react with shock and horror that you aren't spending every waking moment studying your Watchtowers and going Door-to-Door™, and will start gossiping about your Worldly™ activities. Your wife will feel conflicted, because she knows that there's nothing wrong with those activities, and they will have a positive effect on your relationship and your family, while the Meetings™ and Field Service™ will only create tension and the feeling of being burdened. That's one thing that helped Mr Scully wake up and smell the coffee when I was ready to quit and he wasn't.
Slow down. Armageddon™ isn't coming. There's no rush to get her out immediately.