After Rocky, there was Rocky II. Then III, IV, yeah you know how it went.. however, Stallone was getting more work outside the Rocky franchise! It didn't exactly go too well for him, until he took the lead of the 1982 classic First Blood, as John Rambo. This film was successful enough that many think it caused all action movies henceforth to stick to the 90 minute runtime. Just putting this out there... it could also explain why every single action movie hero out there is named John, as well.