Key art, like all elements of film marketing, is prone to tropes and trends, and there are many blogs online that group together swathes of film posters that look near-identical to each other. If you Google ‘film poster tropes’ and then click the images tab, you will see a huge selection of these, where even the colours used can form a meaningful body of work all following a single trope. This sheep-like approach is presumably driven by the thought that if something has worke