Shoreleaves armor sequence is identical to the 90's Christian superhero's, Bibleman
Herr Trigger is a play on words (Hair trigger). He tries to kill Brock with guns.
Go-Fish's last name is Sturgeon which is a type of fish. He attacks Brock from the water. He chums the water to attract sharks to kill Brock.
Le Tueur is French for Killer. In his dossier It is noted he collects comic books. He says "Excelsior" at customs. Excelsior is Stan Lee's catchphrase.
Brock is wearing a Brisbyland T-shirt while in hiding at the hotel.