Jane Schoenbrun’s Teenage Sex and Death at Camp Miasma , starring Hannah Einbinder and Gillian Anderson, will close the Screen Festival component of SXSW London in June. The movie will arrive in London fresh from its world premiere as the opening film of the Cannes Film Festival’s Un Certain Regard strand, and ahead of its August release by Mubi in the U.S. and UK and Ireland. The Plan B and Mubi co-production stars Einbinder as a filmmaker remaking a cult slasher film, who becomes obsessed with the idea of casting the original picture’s “final girl”, played by Anderson. It is Schoenbrun’s third feature after horror films We’re All Going to the World’s Fair and I Saw the TV Glow. “Jane Schoenbrun has been building one of the most fascinating bodies of work in cinema today,” said Screen Festival Head Anna Bogutskaya. Watch on Deadline “ Teenage Sex and Death at Camp Miasma builds on every touchpoint of Schoenbrun’s work, exploring horror, fandom, memory, and identity, and pushes it further.…