comiXology have sent a notice out to press advising of "a major announcement from comiXology Originals via livestream." The event is scheduled for June 1 at 5 p.m. EDT, with Amazon (comiXology's parent company) planning to host viewing parties at its various Amazon Books retail locations and Amazon Pop-Up kiosks.
The livestream is scheduled to be hosted by Marcus Graham, director of Twitch Studios (another comiXology subsidiary). Graham will be joined by unspecified "special guests including noted comic book writers and artists."
The livestream will run at https://www.twitch.tv/Twitch.
Look for more details on this as the event approaches at Newsarama.