Marvel Television’s huge Netflix panel at San Diego Comic-Con was loaded with surprises, and plenty of new teasers and trailers. You’ve got your Luke Cage trailer and you’ve got your Defenders teaser. But what would the Defenders be without Iron Fist? They would just be two guys and a woman who fought crime, but didn’t have a crazy martial artist who could harness his chi into his hands for mega-powerful punches. Still pretty formidable, to be honest. But not quite as cool.