Den of Geek has a review of the first episode that was shown at the New York Comic Con Ash Vs Evil Dead Panel. Find out more about Lucy's new role as Ruby in Ash vs Evil Dead by going to the AUSXIP Lucy Lawless Ash vs Evil Dead Subsite
Read here for the full review but here is the Lucy / Ruby Knowby part:
It is also in this story thread where Lucy Lawless’ Ruby Knowby is introduced in a blink-and-you-miss-it cameo—a down payment on presumably good things to come. These two women represent the living humans Ash’s idiocy leaves behind in its narcissistic wake.
You can see footage of the first episode with Lucy as Ruby and Jill Marie as Amanda Fisher in this interview
Find out more about Lucy's new role as Ruby in Ash vs Evil Dead by going to the AUSXIP Lucy Lawless Ash vs Evil Dead Subsite