User blog comment:ChishioKunrin/Mystery Girl or Fem Torchwick?/@comment-10380701-20140708123352

Well that's a spanner in the works.

Now we can't be sure if a particular character is a legit serious character or just a background cameo.

...Can't say it can't be both though. For all we know, she'll play a role similar to Girlie, and be a mid-boss level opponent to Team RWBY.