Samsung will indeed launch a follow up device to its controversial Galaxy Fold. Although some are referring to the Galaxy Z Flip as the 'Galaxy Fold 2', the device described by XDA's Max Weinbach will indeed be a proper successor to Samsung's original foldable smartphone/tablet hybrid.
https://www.notebookcheck.net/True-Galaxy-Fold-successor-to-arrive-Q2-with-a-perfect-looking-set-of-upgrades.451287.0.html