UPDATE: Call of Duty has tweeted out that players who play the Black Ops 3 beta before it ends on August 24th will get an exclusive calling card alongside the previously announced theme.
— Call of Duty (@CallofDuty) August 23, 2015
Activision has announced that all players who play the Call of Duty: Black Ops 3 multiplayer beta on the PlayStation 4 will get a free Zombies Morg City Theme for use on the PS4 console. The theme will be made available at a later date, for free if you played the multiplayer beta.
Treyarch announced last night that the Call of Duty: Black Ops 3 multiplayer beta is open for everyone on PlayStation 4; no codes required in order to download the beta. The beta ends August 23rd.