I love her, which is why I don't like the premise. I never saw her as 'bad'. A jerk, yes, but that's hardly a mortal sin. She was an entertainer who tried to put on a show and got heckled. Her wagon and everything inside was destroyed. She tried fighting the Ursa. I do NOT like seeing her made an outright villain, because she wasn't.
Yes, the redeemed and persevering Trixie. I like her too, she is one of those rare antagonists that we sympathize with and want to be a better person. Even if she is returning as a villan, I don't think my opinion of her is any worse for it. Maybe the episode will end with redemption, and even if it does not, we will probably still see room for it in her.