Updated July 12, 2019: The rush-solicited Marvel Universe Fall Magazine has been expanded from 40 pages to 56 pages by Marvel. The publisher has not diclosed any details about this magazine.
Original Story: Marvel Comics have rush solicited a mystery Marvel Universe Fall Magazine to debut August 28 in comic shops. The publisher sent a notice out to retailers on Thursday of the magazine, with orders due July 8.
Marvel gave no details about the contents of the magazine, but retailers are being sold bundles of 25 at $5 each - with retailers getting free bundles depending on their status with Diamond Comic Distributors.
This August 28 release date would coincide with the planned release of Marvel Comics #1000.