From the looks of it, The triplet was the leader of this small part of the Wolverine gang. And they seem to be taking the lead in this battlefield. And after killing so many people, the morale of the gangsters that they lead was lifted greatly.
Upon witnessing Leon confront the Trios, the gangsters behind scoffed, thinking that the triplets would kill him in the same brutal way they killed other people
So, With the crowd of gangsters behind them, the trio charged at Leon, their movements defying human capabilities. A vicious grin spread across Leon's face as he purposefully stepped back, creating a gap between himself and his adversaries. Anticipation hung in the air, each heartbeat amplifying the tension that crackled between them.
