As if we weren’t looking forward to A24’s new fantasy film The Green Knight enough, the latest feature from writer/director David Lowery has officially received an eyebrow-raising rating from the MPAA. The film is an epic fantasy adventure inspired by Arthurian legend, with Dev Patel playing a character named Sir Gawain who is King Arthur’s reckless and headstrong nephew. He embarks on a quest in search of the eponymous Green Knight, a gigantic emerald-skinned stranger and “tester of men.” On his journey, Gawain crosses paths with ghosts, giants, thieves, and schemers, promising a truly …