That’s the same issue as here: because you’ve saved the (incorrect) MusicBrainz IDs to the files, Picard will load those same albums and tracks when it opens them. If you right click and remove the “MusicBrainz Release Id”, “…Release Group Id”, and “…Track Id” fields in the bottom pane (as well as “…Release Artist Id” for good measure, and – only if it’s being connected to the wrong song entirely – the “…Recording Id”, “…Artist Id”, and “Work Id”), they should stop being misfiled.
Note, though, that because of how Picard works, the files will always go directly to the right pane if it knows what they are, unless the option described in that link is checked. What you want is for them to appear under something like “[non-album tracks]” rather than some incorrect album.