Michael Schneider Variety Editor at LargeMore than 20 years ago, when Dick Wolf first expanded the “Law & Order” universe to include “Law & Order: SVU,” he compared the brand extension to Campbell’s Soup: If you like one flavor, you’ll likely be willing to try and enjoy another. Cut to 2021: This fall, Wolf boasts an unprecedented nine series in primetime, including three “Chicago” dramas and three “Law & Order” entries on NBC, and three different “FBI” shows on CBS.