I think the Blip would be shorter in this au because Tony is constantly reminded of Peter from condolence's for his loss to fan-mail to Spider-man or the murals Tony sees everytime he goes into the City or maybe even at home by his own daughter...
“the avengers are yours” tony teamed up with a sorcerer he met day of and his emotional support spider teen when thanos rolled into town so no i don’t think they were