One of the fun surprises of 2020, and one of the few pleasures in what turned out to be a historically bad year, was “Sonic the Hedgehog,” a bright, light, good-natured cinematic reinvention of Sega’s popular video game character. In a landscape littered with soulless intellectual property, “Sonic” rose above, molding itself into something of a warmhearted “E.T.”-lite story and becoming one of the last blockbusters to hit screens before the world turned upside down due to a certain pandemic. “Sonic the Hedgehog 2” now arrives with expectations which the fuzzy little blue guy isn’t able to meet…