In a meeting at Donald Trump’s Mar-a-Lago resort, Marvel’s Ike Perlmutter is pitched an unusual idea: That a small comic book publisher should make its own movies.  A ragtag crew working above a car dealership borrows $525 million, hires Jon Favreau and Robert Downey, Jr., and makes “Iron Man.” After its surprise success, Disney buys Marvel.  Learn more about your ad choices. Visit megaphone.fm/adchoices