Interesting thought, but there are a few problems with this:
The antichrist was supposed to be a genius military tactician. Trump isn’t a genius anything.
The biblical Armageddon wasn’t meant to be a prediction of the distant future, but was prophesied to happen within the lifetime of the original apostles, so 2,000 years ago.
The general scholarly consensus is that the Nero was meant to be the antichrist, and that the whole story was descriptive rather than prescriptive.
Interesting thought, but there are a few problems with this:
It’s a fun theory, though.