This DLC gives you a lot of fun from the very beginning. It won't give you any superpower or something, but you'll get 5th account level, Scout class and 56 Starcoins.

The DLC contains

56 Starcoins
Improves your Account to 5th level
Scout class available 

You will receive it once you've entered the game.
Note: If you're using several game accounts, the DLC will be delivered to the first game account you'll log in, after the purchase of the DLC.