Enter the Wolves was a comic book depicting the return of Redjac, pitting himself against Data after he discovered the android's fascination with Sherlock Holmes and the late 1880s in general.
The comic is a sequel to the TOS: "Wolf in the Fold" and that episode's DC Comics sequels, "Wolf on the Prowl" and "Wolf at the Door".
Background Information
Outside Trek continuity, there is a connection to the comic in the film Galaxy Quest, in which Jason Nesmith tells a group of Questarians, "Well, we all know what happened to that beast on Enoch-7...".