They seem to be either hedging their bets, or playing coy because none of the info I've found is clear cut either way. For what it's worth, the third bullet point in the press release issued by Stellantis when they unveiled the engine says
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Hurricane twin-turbo I-6 designed to account for potential future integration with electrification for low-emission vehicles (LEVs)"
Stellantis today revealed its new, 3.0-liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fuel economy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted...
media.stellantisnorthamerica.com
It may just be E-Torque. It may be something more substantial. It may never happen at all. But it seems like they have at least put a plan together for that possibility. And it would make financial sense for them to spread the engine costs out over as many vehicles as they can for as long as they can.
Other interesting/relevant statements from that same press release:
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"The Hurricane twin-turbo I-6 is the primary internal combustion power plant of the future in North America for vehicles using the STLA Large and STLA Frame platforms." (STLA Large is the platform that underpins the EV Charger Daytona concept...)
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"The 3.0-liter Hurricane twin-turbo I-6 shares design features, including bore and stroke and cylinder spacing, with the globally produced turbocharged 2.0-liter I-4. In North America, the 2.0-liter engine is currently available in the Jeep® Wrangler, Wrangler 4xe, Cherokee and recently launched Grand Cherokee 4xe." (Mentioning the similarities with the 2.0/4xE combo seems random unless they're foreshadowing similar hybrids)