Kevin Sullivan's line about how "Lightning does not strike twice in this universe" is a reference to the Hulk-Andre match at WMIII, implying that Hogan should not expect to defeat the Giant at Havoc just because the show is in Detroit.
There was an in-ring segment here where Mean Gene Okerlund announced the winner of a Harley Davidson sweepstakes. Hulk Hogan and Jimmy Hart presented the bike to the winner at Halloween Havoc.