The cooked city

You are this anti hero in this small city and you are known as gunslinger Joe you go after thugs and villains and randomly kill them when you feel like it but the police department is at mercy so they don’t really care you are armed with gadgets a holster and a gun and some armor plating a helmet made of something called Urame which is very strong and can be taken off by a button and you know a lot of fighting styles and you have a smart side kick by your side he defends your hide out and gives very good information but this one guy a billionaire doesn’t agree on how you role so he dresses up with armor and tries to ambush you the suit he wears gives him durability and strength but you have the skill and he calls himself raven