The Marvel head cheeses are probably a little upset with Gwyneth Paltrow because she may have revealed a spoiler for Avengers 4. In an Infinity War magazine, Paltrow was interviewed and dropped info that Tony and Pepper have a kid.
Pepper and Tony have had a real long journey together. She obviously starts as his dutiful assistant, and then the relationship evolves, and now this decade later they’re married, and they have a child. Their relationship has evolved in all of the ways that great romances evolve.