Thanks to a German Trailer, we are able to see some of the Black Lantern Corps in action.
The Black Lanterns were the main focus to the story arc of Green Lantern: Blackest Night and have boasted a massive roster of DC familiars over the years (Black Lantern Aquaman was a total Bad-Ass).
The Blackest Night costume pack will give you access to alternative skins for you fighters (not sure if this applies to the whole roster), the video below shows off the likes of Deathstroke, Solomon Grundy, Cat Woman, Knightwing, Batman and others.
Check it out;
The Blackest Night pack is currently available as an Amazon pre-order, but you can expect it to come to each platforms Marketplaces/Stores/Shops following the titles release on the 16th April in North America.