Starting today you can register your interest in taking part in the next phase of the Battlefield Heroes Beta.
If you already received a Beta Key for the earlier Beta phase, you will be good to go. So you don’t need to sign up again. When the Beta starts, you will have access.

Battlefield Heroes is a brand new free to play online game developed by EA DICE studio from the people that brought you the multi-million selling Battlefield 1942 and Battlefield 2. It's a fun cartoon-style shooter (MMOFPS) which caters to players of all skill levels - easy to pick up and play, but with deep character development. The game is armed with Auto-match system for ensuring the balance between teams, so don't worry about you will play a one-sided game. Besides, you can create the unique super battle field hero in game. Hope you can distinguished yourself in the battlefield world.
Status: Closed Beta
Official Site: http://www.battlefield-heroes.com