I know G.I. Joe is likely no different from other characters we love that have seen different origins or origin changes in the past.
I really liked what they did with both Snake Eyes & Storm Shadows origins in the previous GI Joe Films. Would I liked to have seem more based on the little we got. Absolutely. Those characters were what made me enjoy those films and neither film was great lol.
Also, I know not every film will please everyone, but I still have some of the old G.I. Joe Comics. In fact I believe I still have some with Snake Eyes Origins and first appearance etc. If I'm recalling correctly (I havent read them in YEARS) I seem to recall Snake Eyes being a white blonde headed man as I swear I have the issue where he was injured and had his face disfigured. I need to revisit those comics now that I'm talking about them. With that being a connection I have with the character I was hoping the origin film would include the young snake Eyes and Storm Shadow Ninja training, the betrayal with their master and show Snakes eyes time in the military where his injury occurs before he puts on the mask and etc.
Again, I understand he likely has various origins. There were the cartoons (I cannot recall if they ever went into detail there or not) various comics from originals to in between to the current comic story lines. I'm just relating to what I can recall and its all a bit foggy to be honest.
But, after watching that video it does seem like I'll be disappointed. I'll give it a chance still because as I've said in the past I'm just a big Snake Eyes and Storm Shadow fan. Always have been since I was a kid. While it may not be theater trip worthy; I'll watch it at some point for sure. Perhaps if I read more positive review upon release I'll change my mind and head to the theater.