Gustav Fiers is a mysterious scientist featured in the Amazing Spider-Man films, as well as the Sinister Six film.
Gustav Fiers was a mysterious Oscorp scientist and associate of Norman Osborn. When the Chameleon, a spy hired by Wilson Fisk (a.k.a. the Kingpin), stole the Symbiote, a special project made by Norman Osborn and Richard Parker, he and Harry Osborn banded together a team of super-villains and criminals to retrieve it.
- Harry Osborn - Partner
- Aleksei Sytsevich - Employee
- Quentin Beck - Employee
- Sergei Kravinoff - Employee
- Adrian Toomes - Employee
- Otto Octavius - Employee
- Norman Osborn - Former partner
- Richard Parker - Former partner
- Curt Connors - Former partner