Ruby asks Ash where the the Kandarian Dagger is. He says that it was confiscated by the police. In the previous episode, she had and used it, and they have not interacted in the intervening time period.
While the film contains numerous references to "The Evil Dead" and "Evil Dead II: Dead by Dawn", it contains virtually no overt references to the third "Evil Dead" film, "Army of Darkness." This is due to an issue with the rights to the third film, as they are owned by a different company than the series and the first two films.