I’d never thought about this, CatBus. Do subtitles need to be moved to the very top?
When there are on-screen alien subtitles, could your subtitles be placed just above/below them rather than at the very top of the screen? If the alien subs are actually on the picture, then your subs could go in the black bar just underneath and vice versa?
Subtitles should never be in the black bars because they become invisible when someone projects the film in its original aspect ratio.