Could Vin Diesel be bringing some of his Fast and the Furious fans to the Marvel Cinematic Universe?

The action star revealed Wednesday on his Facebook page that, "Marvel has requested a meeting ... no idea what for ... haha, you probably know better than me ..."

The post is reminiscent of Frank Grillo's tweets in October about possibly joining Captain America: The Winter Soldier. Marvel apparently wasn't pleased with the actor's announcement, but he landed the role of Crossbones anyway.

Diesel's post is vague, but that doesn't mean we can't speculate about which project Marvel may have in mind. The Guardians of the Galaxy cast hasn't been nailed down, so maybe he's being eyed for the role of Groot. As Variety notes, The Avengers 2 director Joss Whedon hasn't cast Thanos yet, either. And then there's the studio's Phase Three slate, which is only now beginning to take shape.