In interviews with actress Scarlett Johansson who portrays Black Widow in the Marvel Cinematic Universe, she said the character was initially sexualized and treated as a possession in early appearances. So, There is no doubt that Black Widow's costume is revealing. It is a form-fitting black catsuit that leaves little to the imagination. However, it is also important to note that Black Widow is a highly skilled assassin who often needs to be able to move quickly and easily. Her costume allows her to do this while also providing her with some protection.