Excluding her when there’s a chance to promote the upcoming series with her appearance would be a mistake, and Marvel has been pretty good about cross promotion.
We could speculate all day, but if there’s one theory I’m feeling confident on, it’s that Kate Bishop will appear in Avengers: Endgame in some way.
Then again, the studio has somewhat dropped the ball on that in regards to television, but with Marvel Studios involved in these shows, things may be different.