The Important Thing You Probably Never Noticed About Movie Posters

Ever noticed that most blockbuster movies with an ensemble cast have exactly one woman in the main crew? She's usually clad in leather, can drink her weight, kicks bad guys with abandon and has a bit of sexual tension with the leading man. There are exceptions like the Fast and Furious series and, lately at least, the Avengers. But most of the time, discounting damsels in distress or villains, there's just the one lady.