I just saw him do his one in Ant-Man and the Wasp on the weekend.
Pretty sure filming on Avengers 4 is wrapped, so he should have that one done, at least.
Maybe it’s just me, but I always got the feeling none of the real Marvel creators, like your Kirbys and Ditkos and all, really liked him very much.
When I was a kid he always came across as kind of a loudmouthed schnook.