You think it's possible that some of the canon kills in MK11 will be from earth defenders to avoid repetition?
I also heard a rumor that MK11's story will be told through 3 different characters.
This is neither here nor there at this point, but would it have done good to model Outworld like Asgard in the Thor films? Outworld seems like a third world country in comparison to Earthrealm.
Edit: Also, I never followed Mortal Kombat during the 3D era, but was the notion of Outworld as sympathetic underdog realm ever been explored in the lore? I've always assumed that it was a realm that was always aggressive trying to expand its territory and power.
On top of that, Kotal Kahn seems to be the status quo right now, with Netherrealm neutralized after MKX.
I think if the story is divided into more factions you could see some more player chapters feature fatalities. Right now the story is divided into Earthrealm, Outworld, and Netherrealm, with the possibility of Earthrealm warriors abandoning Raiden if they feel he is going too far. Right now all of these factions have characters that could be playable and could potentially kill their enemies. I have no idea how the possible time travel element hinted at in the trailer will play into this, but it is possible alternate timeline characters could function as deaths that would not impact this timeline at all, so for example, Cassie could kill an alternate version of Kitana without removing her character from future games.
As for your comments about Outworld's technology, that is a really interesting point. Outworld isn't really a classic world so much as a mushed together collection of different realms that each sort of layer over each other. So I can easily see it as a place with each major race or former realm wanting to be the dominant one, and that conflict keeping them from becoming too advanced. I do wish that it wasn't always treated as a sort of generic barbarian world like what we got in X.
For your last point I don't think Outworld has ever been really depicted as the underdog. Some villages would be depicted as victims of the main villain's rule, but Outworld was generally evil and Edenia was good. So shifting the power dynamic so that Earthrealm is preying on Outworld is a kind of interesting change. And while Kotal can seem like a business as usual emperor, I think a major difference is that he seems to have no interest in absorbing other realms. Kotal seems like he wants to lead his realm and keep it from becoming prey to other powers like the Netherrealm, and he believes to do that Outworld needs to be united. So he doesn't want any factions to splinter away, but he doesn't seem to want to conquer anyone either.
Well, there is one other fighting series that tells it's story as well as Mortal Kombat.
Injustice 2 was really solid, and I love how far it came from Injustice 1, I just wish some of the other fighting game series would match the level of investment NR puts into their games. SF5 had an interesting one but that franchise's lore makes MK look positively sane in comparison.