The basic premise of Spider-Man fighting somebody who shares his abilities isn’t a bad idea, and it seems to be the part Tom Holland is most interested in.
After defeating him, it’s then revealed later that the character fans have been following as Spider-Man is actually the clone, and the man fans thought was the clone was the real Spider-Man.
In the comics, Peter Parker gets cloned and ends up fighting an identical version of himself.
That particular Marvel Comics story arc is far from the most beloved in the long history of the web-slinger.