Slowly, as Mobile Suit Gundam: Iron Blooded Orphans progresses, so does the Gundam Barbatos as it slowly equips more weapons and armor. That change is reflected in one of the opening segment's early scenes. I'll update this page with images of the opening as the series begins.
Note - You can click to expand and use the left/right arrows to navigate.
Opening was not apart of episode 1.
Mace, left shoulder armor.
New shoulder armor, cannon on the back.
Left arm position & forearm weapon.
No change to Barbatos.
New shoulders and sword.