My mods doesn't includes ped models (suits), only in few cases, so, after installing the script 
that brings the powers you probably want to install a ped model to use the powers, this guide 
shows how to install peds in a very easy way:

https://www.youtube.com/watch?v=96GzYA69GmQ

After adding peds to game, it probably will crash due to game limits, to fix this, apply all steps of this guide:
https://gtaxscripting.blogspot.com/2019/05/gta-5-added-peds-limit-fix.html


The mod includes Suit .ini files for the following peds:

Peacemaker from MK1:
https://www.gta5-mods.com/player/peacemaker-mortal-kombat-1-add-on-ped

John Cena:
https://www.gta5-mods.com/player/john-cena-gta-v
*Install the files from "OLD\Add-on or replace by name (2K15 Convert)", Cena2K15.ydd, Cena2K15.yft, Cena2K15.ymt and Cena2K15.ytd