Check 'em out, courtesy CBM who transcribed them.
The scene ends with Stark, bloodied and dazed, flying away not entirely in control of his malfunctioning prototype. He lands hundreds of miles away in a snowy field, where, out of power, he can't get in touch with Pepper. Or Rhodey. Or The Avengers, neatly sidestepping that question.
Breaking into a deserted-looking garage, the tone then zigzags again as Tony is startled by a ten year-old kid, Harley (Ty Simpkins) sparking what [Drew] Pearce calls the film's "sci-fi Capra" phase. "We loved the idea of doing something classically Spielbergian - a kid finds a superhero in a shed. Their relationship is not something you would traditionally see in Spielberg, though; it's bawdier, more fractious."
Extremis is a scientific program invented by Hansen and abused by the Mandarin and his right-hand man, Guy Pearce's slimy Aldrich Killian. It rewrites the operating system of the body, upgrading strength, speed and durability to the very zenith of human possibility.
"We're calling it a biological reality and there's a science behind it that allows people to glow and rip apart Iron Man suits," says Feige. "Frankly, Shane was not interested, and we were not interested, in having another armoured character and another armoured character fight. We've done that twice before."