There is a brief image of Quicksilver with a small girl in the film, and a deleted scene of Quicksilver complaining about his sister, but the director Bryan Singer denied that the girl was Scarlet Witch, saying that she was only Quicksilver's little sister, and that it was just a nod for comic book fans.
Ada gambar singkat Quicksilver dengan seorang gadis kecil dalam film, dan adegan yang dihapus dari Quicksilver mengeluh tentang adiknya, tetapi sutradara Bryan Singer membantah bahwa gadis itu Scarlet Witch, mengatakan bahwa dia hanya adik Quicksilver, dan bahwa itu hanya mengangguk untuk para penggemar buku komik.