I booked it as Fantasmic H&V dinner, and it's Minnies. The reservations under Minnies Seasonal Dining said it is still not available, but my reservation says it is the Minnie's Seasonal Dining w/Fantasmic.
That said, is it the first Fantasmic Show? I'm pretty sure first week in May they only have 1 show but we're going on an EMH night. It does not state 1st show.