A twist bad guy in the Marvel Cinematic Universe, we kind of ignore his importance for the most part at the start. He appears in a flash back way before Tony Stark became Iron Man.
He's a dorky scientist who tries to get Tony Stark to let him do something big for him. Tony appears to want to help.
But Tony ends up not caring and Aldrich plots revenge.
Years later he becomes a Tony Stark of his own and even manages to impress Pepper Potts. But it turns out he was the real Mandarin behind all the bad things that was happening.
And his powers were more bio than tech with the Extremis invention which gave him super powers (very lava/fire based) without a metal suit. However it was unstable and he gives Pepper the powers so Tony could find a cure. But Pepper ends up killing him using the same powers he "cursed" her with. Whoops!