I'm Doug, and I'm very sorry to hear of your situation. My goal is to provide you with excellent service today.
While it is not possible for you to prevent your husband from coming into the US on a visa that he already has---and you cannot personally cancel a dependent visa, only a US consulate or immigration officials can cancel a visa, if you want him barred from the US, then rather than seeking a divorce, you should seek an annulment
of your marriage on the basis of fraud and argue that his sole reason in marrying you was to obtain entry into the US.
When you are able to prove fraud and get the annulment, he will be unable to come back into the US. Alternatively, if you proceed with the divorce, after the divorce is final, you can notify USCIS that he is no longer a dependent and they can terminate his dependent visa status.
You may reply back to me using the Reply link and I will be happy to continue to assist you until I am able to address your concerns, to your satisfaction.
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I wish you and yours the best in 2015,