Board Thread:Spoilers!/@comment-1916997-20151229033119/@comment-24674051-20160111185248

Mulan is overdue for a backstory. We have a good start of Ruby's from Season 1 & 2. Mulan we only have where she interacted with Belle in Season 2, and again with Merida & Ruby earlier this season.

DOesn't mean that it's going to happen, but one can wish.