If you are looking for other ideas though, avengers costumes sites like Pinterest are a great place to start. Still looking for inspiration? Cosplay costumes are often inspired by movies, books and video games, giving you plenty of sources to draw inspiration from. Cosplay is meant to be fun and transformative, meaning there are no hard and fast rules when it comes to playing your favourite character. There are different types of cosplays, and the major ones include characters from video games, movies and television.