Yeah, this is not applicable to fighting games, not in the past, not now.

In the past: they didn't do live updates because the technology didn't allow it, but they re-released the same game 100 times (See how many versions of Street Fighter 2 exist as an example)

Now: we get one version + balance patches and DLCs, and decent publishers do repackages after every season to make sure the price of the base game + DLC doesn't exceed the initial price mark: typically $60.