Andrew A. Smith Scripps Howard News Service   Web-Spinning Heroics: Critical Essays on the History and Meaning of Spider-Man (McFarland, $40) is a remarkable new book on Marvel’s wall-crawler for a variety of reasons.   Fair warning: Your humble columnist has an essay in the book (on whether J. Jonah Jameson is a hero or a villain). But other than that it’s really very good. Web-Spinning covers a…