I'm tending to think that the way the Elektron website is organized has a some clues as to what's to come. There will be more sound processors for sure. I wouldn't think that they'd do just the AH and that's it.
As far as more guitar pedals? Not sure. They're trying this one out. I have to say, even though the Analog Drive isn't something that interests me at the moment, I like their take on the concept.
Elektron do seem to be good at identifying where they can innovate and deliver a very unique but marketable product. To me, innovation isn't always brand-new tech; it could also be a unique form factor and/or feature set that hasn't been done before. I will say, for me, build quality is important which is one reason I tend to shy away from Roland gear but will consider Elektron and other companies with similar build quality. So if Elektron comes out with something that isn't totally unique (likely) but has their ethos behind the feature set/form factor/quality, I'll have a look just because I'm curious about these things.
I'm hopeful about an eventual OT2, but the OT as it is works for me. I consider 95% of its feature set to not be outdated at all. It still beats brand-new samplers currently on the market IMHO.
For the folks that are worried about the looper talk, I have a feeling Elektron will save that for an OT2. As an aside (then I'll leave it alone), I think there is absolutely room for more innovation in looper technology. The Looperlative was headed this way, but was sadly discontinued. And yes, there's heaps of room for innovation in looper performance technique
If the next thing is a synth, I'd love to see a hardware physical modeling synth with numerous synth engines for percussion as well as pitched synthesis. Another flagship machine, for sure.