In a funny way, these bitter opponents in the second world war would have had something in common if they were reminiscent about the kids to day. The japanese during the era hero das growing up in are at an 11 on a scale of one to ten,. and yes, that got them into trouble eventually, and led to their downfall. But the counter argument that could be made is, japan never would have been a great power had it not been for the very specific, distinctive nature of the japanese.
The Asia-Pacific War of 1937-1945 has deep roots. It also involves a Japanese society that's been called one of the most distinctive on Earth. If there were a Japanese version of Captain America, this would be his origin story.