I agree with the previous posts by my fellow colleagues. Keep in mind, that there are many other issues to consider prior to filing for divorce, especially when children are involved. If you decide to file for divorce, you need to consult with a local experienced attorney who can handle your case.
1 lawyer agreed with this answer
The simple answer to your question is no - when calculating child support using the child support worksheets, only the income of the mother and father are taken into consideration to determine the child support amount. Therefore, your husband's ex-wife should not be able to get any more child support based on your income now that you are married. You may want to meet with a a competent and experienced divorce/custody lawyer to review your case and address the other issues you raised about...
1 lawyer agreed with this answer
The simple answer to your question is no - when calculating child support using the child support worksheets, only the income of the mother and father are taken into consideration to determine the child support amount. Therefore, your husband's ex-wife should not be able to get any more child support based on your income now that you work. I hope this helps. Good luck.