The thing about the “Sonic the Hedgehog” movies is that they continue to surprise — with how humorous, self-referential and even insightful they can be. Helmed at a breakneck pace by Jeff Fowler, “Sonic the Hedgehog 3” is loud, chaotic and often corny, with a visual style that can only be described as “retina-searing,” but the script by Pat Casey, …
