Where is she being housed? Do other birds have access to her like being able to peck at her through a crate/kennel?
Pattern on wattles and the dark streak on her comb look pretty much the same to me in your photos. Back of comb there is some scabbing - could be from rub or peck. Ridge of...
I still think it may be bruising. It may take a couple of weeks to resolve as long as they are not getting re-bruised.
You got a photo of all of the older one. What breed is she supposed to be?
Hens are not always nice. Some birds don't get along at all, so take your time with...
Not sure what the black marks on the wattles are, almost looks like they were pinched/bruised. I would keep watch on those over the course of the next several weeks and see if there's any changes - better/worse, swelling, etc.
First bird has some mulberry coloring, so the color looks ok...