Who is the mystery person in the hood in The Walking Dead dvd?

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---Source: http://www.idvdset.com/products/The-Walking-Dead-Seasons-1-2-DVD-Box-Set-DVDS-2907.html

The Waking Dead dvd seasons 1-2 is so hot.Somebody tell us there will be a charming woman will join the season 3.Do you know who is it? Let's skip the information first.And there are more TV new release for you to watch,just like True Blood dvd，Son of Anarchy dvd，Breaking Bad dvd,Ncis dvd,Supernatural dvd and Dexter dvd.

It is said that there will be a mystery woman will join The Waking Dead dvd. Who is it? Somebody said it is Michonne who will apper in season 3.Let's expect the great character that may take some surprise for us.