WOLVES, KILLERS AND ELVES, OH MY! MTV TO INVADE SAN DIEGO COMIC-CON WITH THE RETURN OF “TEEN WOLF” AND CONVENTION DEBUTS OF “SCREAM: THE TV SERIES” AND HIGHLY-ANTICIPATED SERIES “THE SHANNARA CHRONICLES” Tyler Posey, Dylan O’Brien, Bella Thorne, John Rhys Davies, Austin Butler and More Set to Attend Writer/Director/Actor Kevin Smith to Moderate …