According to Weekly Shonen Magazine vol.9 2010, Academic City Ariadne (Ayase Yue) arc of manga Mahou Sensei Negima! was announced to get an anime adaptation. It will be released this autumn as an extra episode of the OVA Mahou Sensei Negima! Mou Hitotsu no Sekai.
Source: Scan of WSM, Scan2
