Sony’s “Spider-Man” spin-off “Madame Web” earned the unwanted title of worst-reviewed movie of the year, ahead of a group of horror movies, an animated feature and at least one other big-budget flop.

Superhero comic book movies have struggled for legitimacy for years and the awards season is a big part of that. Well, "Madame Web" has proven to be an awards magnet, but not by attracting the kind of ...