German publisher Luzifer Verlag has announced that they will publish a German translation of Freedom of the Mask on April 30, 2023! Luzifer has previously published translations of the first five Matthew Corbett books, in addition to Boy’s Life and The Border. The cover art for MATTHEW CORBETT und der maskierte Rächer is by Michael Schubert. The title translates as Matthew Corbett and the Masked Avenger.
Pre-order links from various stores can be found on the Luzifer page.