 Though the city shots through the middle of the film are purportedly  in Los Angeles, the city of Detroit served as the principal location  for filming. Notable landmarks include the Johnny Rockets  restaurant on Woodward Avenue across from Comerica Park, the giant  building mural of Detroit Red Wings captain Steve Yzerman (qv),  the U.S. Federal Building, and the raised tracks of the People  Mover. These shots were overlaid with CGI