Blood Angels are rumored to be coming very soon, along with their rumored appearance on the cover of the 7th edition rulebook and starter set. While we are not getting any details of the new release, there are some hints within this rumor bit.
Please remember that these are rumors.
via an anonymous source on Faeit 212
Be prepared for the Blood Angels update, its closing fast upon the release date. A few models have been reworked, use of vehicles, and weapons previously not in the codex will be getting added to the codex. We should be having a few of the new BA appearing before the codex is released.