**_When reality imitates cinema_** This comes in the tradition of prior films like “Psycho,” “Willard” and “Don’t Go in the House,” all of which involve a troubled loner who lashes out at society. The twist here is that the misfit (Dennis Christopher) is a fanatical film buff who ends up impersonating classic film characters to enact revenge. I wouldn’t be surprised if the writer was inspired by the Marvel…