It turns out an early villain in the Marvel Cinematic Universe wasn't supposed to die. According to UPROXX, Jeff Bridges revealed back in August that when he first signed on, Obadiah Stane wasn't supposed to die:
"No, in the script, the script that I hired onto, my character lives! They open my suit up and I'm gone. But then when we got to shoot that scene, they didn't open my suit up! I said, 'Aren't you going to open my suit up?' They said, 'No.' I said, 'You're going to kill my guy?' And they say, 'Well, it's a comic book. You could come back. Who knows?' You know? But anyway."
UPROXX recently talked to Marvel bossman Kevin Feige about the comment and what it meant:
"Well, that would be awesome to have him come back. That would be great. […] As you may recall, when he was hired, he was a secondary villain to the Mandarin. And as we were prepping the movie we realized we didn't want to do the Mandarin in that movie. And when we took him out and made Obadiah the lead villain, Iron Man became what Iron Man became. But what was required is that Iron Monger [Obadiah Stane] had to go down into that arc reactor."
Feige went on to explain that he and Iron Man director Jon Favreau thought that not only was the Mandarin kind of problematic he was also a bit too weird for the first movie in this new series of movies. We have to remember that this was 2008, so the world hadn't come around to the weird superhero stuff yet. Thor was considered a "risky" movie at the time. It's not surprising that they decided to hold off on some of the "weirdness" until they were sure this entire MCU thing would work out.
Will Bridges come back? He sounds open to it — and no one stays dead in comic books (well, except for Uncle Ben).