No it was an untrue fanbased rumour, she is not going to be in an episode.
Yes she will.
She is a righty because when she was signing a autograph in Vancouver, she was using her right, so she is most likely a righty.
Til Death airs on Fox on Sunday nights at 7:00 and 7:30 PM. The episodes airing on Sunday, February 21st are new episodes.
the year 1993