Johns launching Shazam and Three Jokers Titles

While the long awaited Shazam title isn't surprising the last one is. The latter will be named "The Killing Zone" that will be focusing on "new and lesser known DC characters and titles." I know it's jumping the gun with few details but doesn't that kind of sound like one of those events where a comic company "cleans house"? You know, those events where they try to build up some characters and kill off others?