With the second season of Marvel’s Agents of S.H.I.E.L.D. premiering in September, a mysterious new billboard that promotes the show has popped up on a popular LA intersection. It features the weird alien equation that Agent Coulson was writing at the end of the season finale. Check out the mysterious billboard after the jump.
Read MoreMysterious Billboard Pops Up For “Agents of S.H.I.E.L.D.” In LA









