Aniplex has quietly been building a screening list for the two Puella Magi Madoka Magica features that now totals over 20 major markets.  The two features, Puella Magi Madoka Magica Part 1: Beginnings, and Part 2: Eternal, are being shown back to back as a double feature with one ticket. 
The film have already been shown in:
Kansas City, MO
Philadelphia, PA
Buffalo, NY
Los Angeles
New York
San Francisco
Additional screenings are scheduled in:
Los Angeles
Portland, OR
Raleigh, NC
Birmingham, AL
Dallas, TX
Fort Lauderdale/Miami, FL
Atlanta, GA
Columbus, OH
Clearwater/Tampa Bay, FL
Indianapolis, IN
Akron, OH
Cleveland, OH
Pittsburgh, PA
Seattle, WA
Yen Press has the manga rights here in the U.S. (see "Yen Has Four New Series"), and has released two volumes.  Aniplex has the rights to the anime series, and has released three DVDs.