"The new game and the online shorts have prompted us to consider a reboot of a brand we hadn't been actively thinking about," New Line president Toby Emmerich told the LA Times. So, the rebooted game series gave him the idea to reboot the film series.
The fate of this new film isn't entirely assured, however. The film rights to the series are still in question, following ongoing lawsuits between Warner and Lawrence Kasanoff, a producer on the previous MK movies. Not even Shao Kahn himself can defeat the lawyers of Earthrealm.