How to create a weapon selection from the menu

I’ll try to explain. I currently have two weapons, and both of them work from the character’s BP. The character has two slots for weapons: the right and left hand, and you can put a weapon in each of the hands. Weapons will be opened gradually as you progress through the game.
Here BP character and how works weapons:



Zero-saber posted by anonymous | blueprintUE | PasteBin For Unreal Engine



Zero-Buster posted by anonymous | blueprintUE | PasteBin For Unreal Engine

I want to make weapon systems, like in the Megaman zero series/