It's only a few weeks left before Season 2 for Marvel's Agents of Shield premiers. However, marketing has already kicked into high gear and a mysterious billboard was put up in L.A and it features the same writings that Coulson was writing in the final scene of the last episode of Season 1. Many have speculated that it could be Kree writing. I guess we might find out what it really is in Season 2. Check out the billboard down below.
Source: EW
