I have expressed my disdain about the Toon Lagoon amphitheater before. The whole area, in fact, is just dreadful. They need to do SOMETHING with it. Right now, this area of the park is really the Achilles heel of IOA. Carnival games, unused theater, chipping paint, visible Spider-Man show building (doubt that would change, but it's not really a big issue). It's just a horrible transition between MSHI and TL.
Something should be done about it.