In the comics, Stormfront is a male superhero. The producers thought gender-swapping him for the TV series would help Homelander's story arc by worsening his insecurity when threatened by a female rather than a male.
Hughie mentions The Hunger Games franchise, but can't remember the name of the main character, Katniss. Jack Quaid (Hughie) played Marvel in The Hunger Games (2012) (Quaid's acting debut); Marvel would end up being killed by Katniss.
Blindspot is a parody of Daredevil from the Marvel Comics.
The Big Ride is the name of the 19th story arc in the original 72-issue comic book series and the 3 companion-piece 6-issue mini-series run of The Boys, and also the name of the 9th trade paperback collection (The Boys #48-59).
Jim Beaver plays a character named Robert Singer. He previously played the character of Robert "Bobby" Singer on Supernatural, a show created by Eric Kripke. Kripke developed, and he's an executive producer for 'The Boys'.