I was looking at the posters of the old Ninjago seasons when I noticed the helmets/masks of the ninja in the season 2 poster looks a lot more like the latest Ninjago Legacy ZX minifigure helmets than the in-show helmets. I saw a few comments online about how the legacy ZX helmets don't look like the tri-horn helmets of the show and I was thinking this is where they got the inspiration for the new design....
