Warning! Spoilers for The Boys comic book and television series below!
The horrific death of Hughie's girlfriend Robin is the driving catalyst for the character joining The Boys, and in the comics, he would get brutal revenge on A-Train for the murder. Towards the end of the series, a Compound V-powered Hughie would brutally kill The Seven's speedster, who killed his partner without much remorse, in one of his darkest moments for the hero.
In The Boys comic book and television series, Hughie's life was forever changed after the Supe A-Train traveled faster than the speed of sound and accidentally killed his girlfriend, Robin. The incident would lead to Hughie teaming up with Billy Butcher and joining The Boys. While he would eventually develop a relationship with the hero Starlight, Hughie never forgot about Robin or getting revenge on A-Train, leading to one of the bloodiest moments for the character, as he killed the speedster in an absolutely brutal fashion.
Related: The Boys Creator Comments on Possibility of Gen V Spinoff Crossover
In The Boys #63 by Garth Ennis, Russ Braun, Tony Avina, Simon Bowland, and Darick Robertson from Dynamite Entertainment, Hughie meets up with Billy Butcher on a rooftop and discovers he's managed to subdue and chain A-Train to a wall. Butcher plays a tape recording of A-Train talking to Homelander about the incident where he accidentally killed Hughie's ex-girlfriend, Robin. The more the tape plays, the more frustrated Hughie gets, as Homelander and A-Train joke about the murder, saying the speedster looks like a «virgin» compared to what Black Noir has done. An emotional Hughie then loses control when A-Train starts talking on the recording about Starlight and making some disgusting
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