Although Marvel Studios President Kevin Feige is fond of saying "never say never," he's also been quick to label as "an impossibility" any rumored deal with Fox that might lead to sharing the film rights to the Fantastic Four. Still, journalists repeatedly ask about the chances of Marvel's First Family entering the Marvel Cinematic Universe, most recently over the weekend at Disney's D23 Expo.

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His response this time seemed a bit more definite. “I’ve been at Marvel for 17 years," he told Yahoo! Movies. "There are certainly no plans whatsoever for that. But too many amazing things have happened over the past 17 years for me ever say never. But for now, nothing.”

While that last part suggests there's still a possibility the Fantastic Four could end up back with Marvel, Feige indicated the odds aren't great. "There’s a chance that aliens could come down from the sky right now," he said, "and we’ll use them in the movie in to save money on visual effects.”

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Feige previously clarified that there's "no weirdness" between Marvel and Fox, but fans shouldn't expect the two studios to make an arrangement similar to the one that led to Sony's Spider-Man becoming part of the Marvel Cinematic Universe.

“I would say there’s not like there’s anything frozen that there needs to be a thaw,” he said. “There’s no weirdness. It is just very very cut and dry, and they’re doing their thing, and they’re doing it quite well in most regards, and we’re doing our thing.”