Eidos Montréal was expanded in 2010 with a separate team for multiplayer development, and when MP producer Joe Khoury was asked if they would also work on their next project, Thief 4, he did not deny or confirm.
Eidos Montreal s-a extins în 2010, printr-o echipă special făcută pentru modul multiplayer, iar când producătorul Joe Khoury a fost întrebat dacă și aceasta va lucra la Thief 4, el nu a confirmat sau infirmat acest lucru.