According to the latest Magic Kingdom Guidemap (see scan below), the Town Square Exposition Hall on Main Street USA has been renamed "Town Square Theater". The building is currently under a refurbishment on both the outside and inside, with the interior set to be the new home for Mickey and Minnie's meet and greets later this spring. A name change to "Town Square Theater" would certainly seem to be a better theme in which to pair a meet and greet with, so perhaps this is the reason. As you can see from the photos below, the signage on the building itself have not yet been changed.
Feb 15, 2011 / 8:58am EST