Samuel L. Jackson finds it “crazy” how quickly he completed his nine-picture deal with Marvel. The 75-year-old actor first appeared as Nick Fury in 2008’s ‘Iron Man’ and admitted he expected the long-term contract he’d signed would take years to fulfill, only for him to make his ninth appearance as the superspy just over a decade later in 2019’s ‘Captain Marvel’. He told GQ magazine: “I knew I had a nine-picture deal. “[Marvel Studios president] Kevin [Feige] said that, ‘We’re going to offer you a nine-picture deal.’ How long do you have to stay alive to make nine movies? “It’s not the quickes…