I have been loving both of DC's TV shows: Arrow and The Flash.
So when they announced they were doing a big team show, I was very excited.
I know that they can't use the BIG guys (Superman, Batman, Wonder Woman), and this trailer kind of acknowledges that these aren't the JLA or the Avengers; they aren't the best of the best.
These people are the best they could find for the job.
I think this show has a lot of potential to highlight a good deal of the characters who have been on the margins of the other shows. And it opens up a whole new dimension of storytelling with the time travel.
I also dig the fact that this team requires to "villains." Particularly, Captain Cold was always, in my eyes, like Mr. White from Reservoir Dogs: he is a murder and a criminal, but he does have an unwavering moral code to which he holds. I think this will make for an interesting dynamic to the team.