Bruce (And Hulk) meet Harry
"'Normal'
'Bruce thought'
Hulk thought'
'Both'
The first time Bruce met Tony's son – and isn't that a strange thought? –, he was unsure of what he had been seeing. Sure, Tony was smart, some even said he graduated early from school, but Bruce had never even tried to play around with the thought about someone like Tony entertaining small children in any way. Sure, Bruce was also quite smart, and even he desired family, but Tony was a known playboy who was known for picking up friends and leaving them behind without a thought… save for maybe his personal driver, his unofficial CEO, and his childhood friend. But getting dragged into a lab just for your companion to get tackled by a 8 year old black blur with vibrant green eyes in a shade Bruce couldn't name. The shade was more eye-catching than emeralds even.
On the other side, The Hulk, Bruce's alter ego, was more weary than curious. Unlike Puny Banner, Hulk knew what he was looking at. Those eyes weren't green. They were the eyes of death, passed down thru an ancient family Hulk could not name. But that is not what was important, what is important, is that Hulk could recognize danger, and this puny human was dangerous. No one with the eyes of Death could ever be anything but trouble.
Bruce was, on his part, surprised when he felt his alter ego's fear and caution at the sight of the child, and while it did make Bruce himself weary as well – Because no matter how much he feared the green giant, whoever Hulk ever was weary of, always was trouble one way or another. And Bruce had always trusted those feelings. – until the child just smiled at him, wide and innocent, if world weary and unsure of himself. Wait, What? Blinking a few times, Bruce sent a small smile back, just to feel like the sun has come out and decided to grace only Bruce with its warm radiance, as both father and son smiled wide back. Even Hulk seemed to fall short, its shock mingling with Bruce's own.
"Pack?"
"What?"
"Puny humans, Pack?"
"You want them as Pack?"
"Yes. Good puny humans. Good for Puny Banner"
"I guess we could be friends…"
And that, is how Bruce decided to not say or do anything overly much, and just see where the winds of change would lead him. And it is also how Bruce decided that, maybe… just maybe, the green giant was not a poisonous alien living within him, and that he, himself, might not be a freak of nature after all. And maybe… there just might be more to not only the father-son duo, but also more to do with the green giant that he was stuck with.
The day, far into the future, when he, Tony, and Loki went to Hogwarts, because of the tri-wizard tournament, Bruce was grateful for his family/pack's support. Because, for once, The Hulk did not appear to try and destroy these… puny bastardos who dared to put their cub into danger.