Yakface.com picked up a scoop about an up-coming Black Series 6" Star Wars figure on the Lost Boys World Facebook page. The owner posted pictures which were revealed by Hasbro Germany along with parts of a press release with details about how to aquire the figure.
The Black Series 6" Luke Skywalker in Ceremonial Outfit figure will first be available at the Berlin Comic Con on September 28, 2019. The figure will be sold at the Super Epic booth C1 in hall 3 and it will cost 60 Euros (65.92USD).
The figure will be available at other conventions later (no details yet) and it will be sold through the Super Epic online store beginning November 4, 2019.
UPDATE
From the official press release:
"This figure will also be available at key conventions this Fall including MCM London Comic-Con, Paris Comic-Con, Lucca Comics & Games, Salon Manga Barcelona, and Madrid Comic-Con (in limited quantities, while supplies last). In addition, the item will also be available at select retailers in Asia and North America beginning November 4, 2019."