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 4th account level and 26 Starcoins.
The DLC contains

• 26 Starcoins
  
• Improves your Account to 4th level

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.