Originally Posted by
Restingvoice
Regular bookstore clerks can point buyers to the newest comic or the first volume if they ask, but they won't be able to tell what to read after this or where someone died. If you ask where to read after the first volume they're gonna point to the second volume, not the reading order if there's a crossover. So it's a casual knowledge, which is usually enough for casual or new readers since they'll usually be looking for origin stories, first volumes, gift sets or books that's similar to the movies.
Oh yeah those are the things I'd recommend for new readers also. Gift set, first volume, origin, or movie tie-in. Not ongoing arc, at least not before they know how comics work that I mentioned in my other post.