Julianna Margulies and Michael J. Fox

Michael J. Fox will reprise his role as Alicia's rival on The Good Wife, TVGuide.com has confirmed.

Fox, who portrayed rival defense attorney Louis Canning, will return for a multi-episode arc, according to TVLine.com, who first reported the news. Louis was last seen offering Alicia (Julianna Margulies) a partnership in his new law firm, but she turned it down.

Fall Preview: Get scoop on your favorite returning shows

Fox made headlines last week when Nike introduced the 2012 Nike Mag, a replica of the self-lacing shoes Fox wore as Marty McFly in Back to the Future II. Proceeds from the eBay auction of the shoes go directly to the Michael J. Fox Foundation.

The Good Wife returns Sunday, Sept. 25 at 9/8c on CBS.