Marvel Database
Marvel Database

History

Oscorp tried to perfect the Super-Soldier Serum for S.H.I.E.L.D.. Over time they developed a drug known as Oz. They used various animals in their experiments, including spiders. On a field trip, one of the OZ-injected spiders bit Peter Parker, transferring the spider's enhanced DNA into him. It was then squashed and killed by Kenny.[1]

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References