The contract issues between WWE and Sky doesn’t look like it will be resolved soon. The issue is that Sky has exclusive rights to air Main Event and right now there is no split feed and no way WWE could block Main Event in the UK without also taking down everywhere else. In addition, they would also need to block the shows from the on demand library and they are not able to do that as of yet and it would likely cost a lot to get a second feed in place.
The timeframe looks like it could be late summer with geoblocking in place. So for now WWE Main Event does not have a home in the United States.