Igor Drenkov (Earth-616), Marvel Database

Igor was a Soviet spy sent to America to learn the secrets of the Bruce Banner's Gamma Bomb for future purposes of the Soviet Union. When Rick Jones drove out on the test field, Banner asked Igor to postpone the test while he got the kid to safety. Igor, hoping to be rid of Banner in order to steal his secrets, continued the test and the Gamma Bomb exploded, creating the Hulk. Later, when Bruce turned into the Hulk for the first time, he went to Banner's lab and found Igor looking for the Gamma

Leader Character: Most Up-to-Date Encyclopedia, News & Reviews

Igor Marvel Database+BreezeWiki

Igor Drenkov (Earth-616) - Marvel Comics

Igor Drenkov (Earth-12041), Marvel Database

Igor Marvel Database+BreezeWiki

Let's Read : Marvel's What if comic

Marvel Russia

Igor Drenkov (Earth-616), Marvel Database

List of Marvel Comics characters: D - Wikipedia

Crimson Dynamo - Wikipedia

Spider-Man: Chapter One - Wikipedia

Red Guardian (Shostakov) Enemies - Comic Vine

Category:Killed by Igor Drenkov (Earth-616), Marvel Database