Marvel's Agents of SHIELD has fed of the box office buzz from Thor: The Dark World by doing a crossover episode featuring an Asgardian relic left on earth, and the problems it caused when it fell in to the wrong hands. This is the first real evidence of the shared universe in the show, finally delivering after a few throwaway lines earlier in the season. Despite not featuring any of the stars of Thor, the opening fits nicely with the events of the Thor sequel and shows us where AoS stands in the MCU timeline. The crossover provided a small, but much needed, boost to the shows ratings, which had been dropping by the week since the pilot episode. Maybe it's time the AoS writers looked at adding more crossover episodes dealing with fall out from the movies, and here are five ways I think they could do that.