Heading down the rabbit hole…
Qwikiverse maps the references between stories: what Hulk nods to, and what nods back. How it works
Nothing spotted here yet.
A line quoted, a cameo, a character named after something: if Hulk nods to another story, or another story nods to it, spot the first one.
“That's my secret, Cap. I'm always angry.”
in The Avengers
“I see this as an absolute win!”