I'm kind of doubting this unless it's still on the Switch. A port even like this requires them to do all the licensing over again, as it's a new game even then. That's why a lot of ports have to cut things, because they're not part of the same contract.
I mean, it's not impossible the licensing agreement is that all future ports of Ultimate are treated as "licensed" for use. But you have to consider that companies also have to be sure of the future of a franchise or whether it could happen or not. When it comes to an agreement, it's very very rare for someone to agree with a "just in case it happens in the future". That would also make them want more money for future usage as is. That, and we have been confirmed there's no Smash games coming out after Ultimate in the future at this time. Now, whether or not a Port counts as that is a good question, but Sakurai isn't often that vague, and I doubt he has plans for a port either. Maybe Nintendo has an idea they haven't said at all yet, sure, but that's the most I'd give it.
Not that I'm against a port, but I don't see it that likely, that's all. I'd love the idea, if it means you get even more content.
SMRPG is already a fundamentally great game, the only way a remake would improve upon it would be to improve the graphics. Geno in Smash is a lot more significant.
I agree for all the complications that come with licensing stuff. If it wasn't for the third party characters , and mostly Konami and SE stuff (wich seem to be the most in danger , SEGA , Capcom , Bamco , and Microsoft seem to be doing fine and are often more willing to allow their characters to be in Smash) a port would actually seem pretty easy.
Sakurai is always the kind of man to think that every game is the last , so he'll do everything he can for it. And well , as I said before , I think it's a bit soon to talk about a port , especially when Fighter Pass 2 is not even fully revealed.
Getting a port would indeed be a very interesting situation. I really want that to happen for a simple reason :
Sakurai can still work on Smash on a more reasonnable scale , AND , he can work on another game franchise. I love what he did with Kid Icarus uprising , and would love to see him tackle some old school Nintendo franchises , like Mysterious Murasame Castle , or Panel de Pon.
Actually , since Iv'e been replaying through SMRPG as of late... I could think on quite some tweaks and changes that could improve the game. Not saying SMRPG is bad , far from it , but the games has some issues that could be dealt with to make the overall experience more enjoyable :
-Rebalancing some characters. Nerf Peach healing power , and buff Bowser's magic (making him focused around status effects would be interesting). Bowser's role of slow HP bag hitting hard character get outclassed by Geno sadly.
-Adding the first strike mechanic to ennemies on the overworld.
-Allowing Mario to be out of the Party , to allow different combinations. (He would come back for scripted events , like for the johnathan Jones boss fight)
-Allowing people to read the description and stats of equipments on the shop
-Making the window for timed blocks of some ennemies more clear. Make magic blockable in a way , but make it hard , like the super guard from PMTTYD.
-Make platforming easier by adding analog support , and making the jumps a tiny bit more floaty.
-Adding an hard mode
-Adding Luigi as an optional party member. He would be a more defensive Mario , with wackier attacks.
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MAKE GENO INTERACT WITH MORE CHARACTERS , LET THE BOY TALK. Mallow character's arc is super complete and his personnality shine , so I'm a bit sad that Geno doesn't change much from the beginning to the end. (Give him a parallel to Mallow by making him the serious guy who learn to relax and enjoy things / or still keep his serious and focused attitude , but make him interact in funny manners with others characters , breaking his serious attitude , like he's in awe of people's silly aspects , laid-back attitude , or stuff like that. Also , please... Make him more invested in Star Hill when you read the wish , to show how important all of this is to him.)
But still , I love this game. So I hope a remake would bring more than a graphical update.