I'm cautiously excited for Origins...
First, Rocksteady isn't making it. It's being made by Warner Bros. Montreal and all they've ever done is the port of Batman Arkham City to the Wii U...
I mean, I'll be honest; outside of the Arkham games, I can't think of one Batman game I've ever liked... But apparently WB Montreal are more or less leaving things the same in terms of combat and whatnot, so that shouldn't be a problem.
Second off.. No Kevin Conroy as Batman. What.
The guy has done Batman in just about anything and everything animated since the 90's and to NOT hear his voice is gonna be a little weird...
Same thing with Mark Hamill, even though he's told us he's retired from doing the voice of the Joker. He was perfect for it, I don't know if anyone will ever be able to pull it off the same

Though Troy Baker is an excellent VA so it'll be interesting to see how he portrays the Joker.
That being said though, Origins is still looking awesome.
Deathstroke being in it just gave it 1000 points of coolness, because the guy is an absolute badass.
And that trailer was pretty damn sick. I'm a little psyched just off watching it.
Fingers crossed WB Montreal can do a good job on this.