Orphan Black - Comics!
I have just learned that they have actually made two Orphan Black mini-comics not so long ago.
One of them is about the origin of some of the Clones: http://view-comic.com/category/orphan-black/
And another one about Helsinki: http://www.readcomics.tv/comic/orphan-black-helsinki
Not saying these are top-notch, but they can help with waiting for Season 5.