The official website of Madoka Magicahas recently announced that Kana Asumi (known for voicing Nyarlathotep in Haiyore! Nyaruko-san, Blanc in Hyperdimension Neptunia and many others) would be voicing a new character for the upcoming 3rd movie of Puella Magi Madoka Magica called Puella Magi Madoka Magica the Movie Part III: The Rebellion Story. She will play as this new character named Momoe Nagisa as stated in this statement: [百江なぎさ役を演じるのは「ひだまりスケッチ（ゆの役）」「ささみさん＠がんばらない（月読鎖々美役）」などでも活躍する阿澄佳奈さんです。
What will this character do? What will she accomplish? What mystery does she hold? All of these will be answered in the upcoming movie.