Once upon a time, comic book movies used to be camp, riding the line of silliness and sincerity that would suit the cinematic adaptation of a slim illustrated volume about superheroes and their exploits. But over 20 years ago, the superhero industrial complex rejected camp, becoming dark and gritty, then sarcastic and flip, then cycling back to wholesomely earnest again for a time. However, in these days of waning superhero enthusiasm, fatigue setting in, it seems there’s an opening for comic book movies to be stupid – stupidly fun – again, especially if “Madame Web” can tell their fortunes.