Even “Superman” couldn’t have predicted that this relationship would be over so fast.

The “Man of Steel” himself, Henry Cavill, and “The Big Bang Theory” actress Kaley Cuoco have already split, according to “Us Weekly.”

“Us” broke the story of the couple getting together last week, and a source confirmed to them that the couple is no more.

“Things fizzled as quickly as they heated up,” the source said. “They are still friends.”

The duo first met two months ago at a party in Los Angeles, and since Cavill had ended his nearly year-long relationship with actress and former mixed martial arts fighter Gina Carano in May, he asked Cuoco out.

Still, there’s no need to feel too bad for either of them. Cavill is coming off one of the top-grossing films of the summer, and Cuoco’s #1 comedy returns this fall for its seventh season on CBS.

Cuoco previously dated her "Big Bang" co-star and was engaged to Josh Resnik in 2011.

For more scoop on Kaley Cuoco, follow her on Twitter @KaleyCuoco.

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