Ent-D at DS9When you have a shared universe, one of the biggest benefits is the crossover–bringing characters from one show within the property over to another show. Agents of SHIELD is starting off its second season tomorrow with a crossover of sorts, featuring flashbacks with Agent Peggy Carter before her own spinoff starts early next year. While this situation is a little different, as both Agents of SHIELD and Agent Carter are spinning off from the same parent property, they still have enough in common to enjoy the benefits of a crossover. And with that in mind, I thought it would be a good time to examine the crossover and how it helps with the cohesiveness and plausibility of a shared universe. Read more