If you mean will anyone ever get a cover without Barnabas somehow also represented on it, probably not considering the way the covers for this series seem to be going. Though the cover for #6 seems to simply feature his eyes with another, presumably new character primarily featured. But I suppose that featuring a new character rather than one that's already well established, like Julia, Quentin, Carolyn, etc., could seem like a slap in the face to any fans hoping to see them get their due on a cover.
Interestingly, the covers for the comics based on the '91 Series didn't always feature Barnabas. But of course that's a totally different comic series with totally different artists, writers and stories, and from a totally different company...