SAN DIEGO — After a two-year pause for the pandemic, Comic-Con wrapped up its return as in-person extravaganza on Sunday at the San Diego Convention Center. And based on the feedback from attendees, there was some rust in the gears after the hiatus. About 150 people let organizers of the pop culture extravaganza know what worked and what didn’t on Sunday at Comic-Con Talk Back, the convention’s traditional feedback session for fans. There was a long line of speakers — so long that not everyone could be heard in full before time ran out. That mirrored what happened on the ground at times during…