The follow-up negotiations with Motherfucker were left to Agent Hill and Umbrella's employees.
Umbrella Corporation was willing to trade technology for technology or accept gold.
Once the two negotiating teams met, they quickly appraised the technologies involved. Each side converted the value of its own technology in its world into an equivalent amount of gold.
They simply ignored the exchange-rate gap between the two worlds. Whether they were getting a bargain or making a profit didn't matter to them.
The fast-acting Healing Serum made from the T-virus carried a small chance of turning the person injected into a zombie, so Umbrella also sold a batch of T-Virus Vaccine.
Brain Chip technology was an advanced biological technology that needed to be paired with cutting-edge satellites to reach its full potential.
Nick Fury couldn't afford to pay much at the moment, so he offered some of S.H.I.E.L.D.'s technology in exchange.
In the end, Umbrella Corporation used some products and technical data to buy a range of items from Nick Fury: specialized equipment, drug formulas, an outdated information and command system, some satellite technology, the production and maintenance technology for the Quinjet, a wealth of combat-command knowledge, and functional software technology.
S.H.I.E.L.D. had a remarkably deep reserve of resources. As the Marvel Universe's world police, they had spent decades weathering one crisis after another, and their experience handling all kinds of emergencies was also part of the deal. This was valuable knowledge that was difficult to come by.
Isaac and the original major shareholders weren't particularly concerned about the private armed forces Umbrella Corporation had. Their combat strength was sufficient to protect private property, but they might not be up to the task of scouting in dangerous environments or serving as a Vanguard to develop new worlds.
Ordinary Clones could hardly replace real