Wolfenstein: The New Order, was a more than competent game and quite enjoyable. It also sold well. Take all those things into account and a sequel is usually a given.
According to a Two Left Sticks interview with voice actor Brian Bloom, who voiced B.J. Blackowicz in Wolfenstein: The New Order in 2014, a sequel is definitely in the works.
According to Bloom, “If you look at Bethesda’s E3 2016 lineup there was a title hinted at in a cool way. It sparked a bit of wildfire. That subtle, very simple DOS language, going through the titles. Perhaps we’re working on that as we speak.”
He’s referring to this:
People smarter than me took this image as proof that something was in the works back in June during at Bethesda’s E3 event. Well, it appears those people were right.
Also, video game voice actors are really bad at keeping things secret.