Live action remake when?

>I don't think the Aztecs ate the people they sacrificed, but I could be wrong.
They did.
en.wikipedia.org/wiki/Cannibalism_in_pre-Columbian_America

So like the Spanish? Assimilating nomadic people is hard cause they just leave if you settle there.

No, he didn't visit America. But they probably just would have traded with them and maybe offered them vassalhood.