Today, “Creed II” hits theaters. And who — in 1976, when Sylvester Stallone’s original “Rocky” was released — could have imagined that a “little movie that could” would still be delivering box-office knockouts well into the 21st century?

The long-awaited sequel revisits the Cold War Ivan Drago rivalry from 1985’s “Rocky IV” — and its very existence is a testament to the enduring greatness of this franchise. In honor of the release of “Creed II,” here are the Rocky flicks ranked from worst to best