I dont remember that at all but I guess that would explain his increase in size if they do have giganto-Kong.
It's a pretty easy line to miss. It's sandwiched between a bunch of exposition, so it's definitely "blink-and-you'll-miss-it".
This is just a random guess, but even if they're beefing up Kong, I think they're going to go for a still-deliberate size difference. Definitely not eye-to-eye, but more of an underdog scale. Rocky vs. Ivan Drago, Iron Man vs. Thanos kind of thing. Like George vs. Lizzie in Rampage
. Some potentially cool fight choreography for Godzilla to try and grapple with something that's 2/3 of his size and faster.