The 70-year-old filmmaker - who made his directorial debut with the Terminator franchise - has teased fans there is "more than a plan" for future 'movies.
Speaking to Empire magazine, James said: "It's more than a plan. That's what we're doing. That's all I'll say for right now."
The Terminator is one of the most popular sci-fi movie franchises. (AP PHOTO)
This news follows on from The Terminator - which stars Arnold Schwarzenegger and Linda Hamilton - celebrating its 40th anniversary year.
The Titanic director's involvement in any future Terminator movies remains unclear, as Cameron is busy working on the Avatar sequels, the next of which will be released in 2025.
However, Cameron admitted it will be vital to tell new and different kinds of stories in the world of The Terminator moving forward.
He said: "You get too inside it, and then you lose a new audience because the new audience care much less about that stuff than you think they do.
"That's the danger, obviously, with Avatar as well, but I think we've proven that we have something for new audiences.
"You've got powerless main characters, essentially, fighting for their lives, who get no support from existing power structures, and have to circumvent them but somehow maintain a moral compass. And then you throw AI into the mix.
"Those principles are sound principles for storytelling today, right? So I have no doubt that subsequent Terminator films will not only be possible, but they'll kick ass. But this is the moment where you jettison all the specific iconography."
No word yet on whether Arnold Schwarzenegger will "be back" for new Terrminator movies. (AP PHOTO)
Previously, Cameron has admitted that parts of The Terminator are "pretty cringeworthy".
He told the publication: "I don't think of it as some Holy Grail, that's for sure. I look at it now and there are parts of it that are pretty cringeworthy, and parts of it that are like, 'Yeah, we did pretty well for the resources we had available.'
"Just the production value, you know? I don't cringe on any of the dialogue, but I have a lower cringe factor than, apparently, a lot of people do around the dialogue that I write. You know what? Let me see your three-out-of-the-four-highest-grossing films - then we'll talk about dialogue effectiveness."
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