There's nothing cooler than power-armor. All of a sudden, your plain human body has a super-strong shell, and you're stronger than an army. But what happens when the armor changes you? Here are a bunch of heroes who found out.
Marvel is launching a giant Iron Man Extremis motion comic, which might be laying the groundwork for their upcoming film. Compare Extremis' trailer and stills to a screen shot from Iron Man 2, and you'll see the connection. Spoilers/speculation below.