By Michael Tedder NBC’s streaming service has plenty of great shows; now it needs hits. In a recent earnings call, Comcast reported that its streaming service Peacock had 28 million subscribers, 13 million of whom are paying customers, in its first quarter of the year. In the second quarter of 2022, it reported that it had 27 million subscribers, 13 million of whom are paying customers. So clearly, subscriber growth is flat at the moment. What’s more, Comcast (CMCSA) – Get Comcast Corporation Class A Common Stock Report executives attributed much of that growth to sporting events such as Super…