Each companion will be combat ready with their own weapon, but asking them to trade gear will let the player give them a new loadout and choose what items they have equipped.

Source: https://screenrant.com/starfield-followers-grenade-equipment-setup-companions/

Each map has different enemies and every character has their own loadout, melee animations, and special abilities.

Source: https://www.comingsoon.net/games/news/1279830-resident-evil-4-update-patch-notes-the-mercenaries-dlc-fixes-aiming-xbox

Momoi's Supply Drop ability allows her to frequently change her loadout and be ready for any type of situation.

Source: https://gamerant.com/farlight-84-best-heroes/

This loadout pairs well with solo players due to how aggressive it allows them to be.

Source: https://gamerant.com/hunt-showdown-best-builds/

You pick your character loadout, whether it is a character that mostly uses a bow and arrow or an axe and a sword, and depending on what you pick, the dungeon layout changes or the type of rooms that you can get changes.

Source: https://gamerant.com/asgards-wrath-2-vr-roguelike-interview/