I didn't miss this after all. There is a Betty Ross mention. This a summation of the movies. Ross lurks and wants to find Black Widow. The dreadful Bruce/Natasha hookup is mentioned. We learn why people are hunting her. This was okay.
“I can't believe the sentences coming out of my mouth nowadays. Didn't the world used to be sane?”
“We're facing a potential global catastrophe.”
“Well, those I really try to avoid.”
“I don't threaten councilwoman. I do or I do not.”