Just a quick comment about the movie--and I liked all three installments pretty much equally. But with Beyond, it's kind of odd for Jaylah to have more character building and establishing moments than your main antagonist played by the brilliant Edris buried under a ton of makeup that made him generic. That's where I believe the movie went wrong, as opposed to Cumberbatch, who was there for all his Cumberbitches and chewed the scenery as Khan. Edris was completely wasted in this movie, and only interesting in the brief glimpses as Captain of the Franklin. All other ingredients were perfect though.
I was just searching for Into Darkness posters to redecorate my office, and was struck by how many featured Cumberbatch.
Elba, on the other hand, does not feature in any either with or (for obvious reasons) without makeup. He was also unrecognisable, including by voice, in the trailers and TV spots.
While he may not have the recognition value or following of Cumberbatch, it does take away any marketability he may have had.