Here's All Of The Gunfighter Villains In Progression

First Up Is The Henchmen There's 6 Of Them

Once You Defeat The Henchmen The Second Battle Is 4 Gatling Gunners

Once You Defeat The Gatling Gunners You Have To Deal With Grizwald AKA Jack Carson's Right Hand Man

Once You Beat Grizwald You Can Move Onto Rojo, Carson's Dual Pistol Man

Once You Beat Rojo You Can Finally Move Onto The Final Bad Guy Jack Carson And The Final Battle Will Be A Wild West Gun Duel