The DNA-modifying techno-virus extremis has been auctioned on the black market and purchased by four different buyers. Originally designed for medical purposes by Maya Hansen-an old flame of Tony Stark's-The technology was twisted and used as a weapon with dangerous consequences.

Maya has since been killed and stark (aka Iron Man) has vowed to systematically search and destroy all existing versions of the virus a new modular armor will help him adapt to the different threats.

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