This isn't necessarily a bad thing: Team Fortress 2 is a fantastic game, and the world of Dishonored is one of the most visually striking settings to come along in years. But the stark similarities, regardless of the third-person perspective, are impossible to overlook.
It's a brief trailer, and Bethesda didn't have much to say about it beyond, "Hey, look at this," but more is forthcoming: Bethesda is holding a 'Welcome to the Warzone' panel at PAX Australia which will be broadcast 8 pm PDT on October 31 at Twitch.tv/PAX. Battlecry is slated to enter beta in 2015.