2014 Halloween Costume Ideas–You now have less than a month before you need to finalize your Halloween costume plans. Before you are stuck going as a ghost in a white sheet or a vampire, check out these seven costume ideas with some movie appeal. From The Avengersā Black Widow to Maleficent of “Sleeping Beauty”, channel your inner movie heroine in these Halloween costumes. Make sure to complete it with chic makeup and great hair.