The Jonas Brothers have returned with a new teaser for Camp Rock 3, setting internet ablaze. While Demi Lovato wasn't visible in the video, her voice was heard in the background many a time. Still, fans have been wondering whether she would make a comeback with this threequel.While Lovato is not included in the cast list, her character Mitchie Torres' voice is heard time and again. She can be heard in a voiceover featuring lines from the first two Camp Rock movies, along with her duet with her onscreen love interest Shane (Joe Jonas), Wouldn't Change a Thing.