Board Thread:Spoilers!/@comment-26837468-20150620144526/@comment-26837468-20150621181329

Lady Junky wrote: Okay, Mulan is not confirmed yet. She was heavily implied to come back last year by A&E. But for now, nothing yet. @Bgwinstonfc30, if you want to know the confirmed info (for now) for the upcoming season, you should read Season Five :)

I must admit it has yet to be confirmed. But the actress who plays her has said many times she would like to come back and A&E said she's on top of the list of things they would like to address. Like all of us, I expect it to be confirmed.