Marvel chased Adam Driver for a decade. He finally said yes to the one role that doesn't come with handcuffs. Every young actor Marvel casts as a hero signs a multi-picture contract at casting. Sebastian Stan signed for 9 films. Chris Hemsworth got $150,000 for the first Thor. The deal is fame now, leverage never. By the time you're a household name, your rate was locked years ago. Villains play by different rules. One film, no options, the showiest part in the script, and your quote stays…