You may have already seen the Call of Duty: WWII "leaked" images, but if you haven't, here's the rundown: YouTuber TheFamilyVideoGamers posted a video, where he talked about a handful of images he received from an anonymous source. These images point to this year's Call of Duty game being set in World War II, and they even suggest the game will be called Call of Duty: WWII.
Now, there's reason to believe that Call of Duty would be taking the series back to the second World War, as Activision said in a February earnings call that Call of Duty would return "to its roots." However, it's important to remember that this doesn't mean the aforementioned images are real. In fact, it makes it easier for someone to pass off fake images as legitimate art, so practice skepticism when viewing the images at the bottom of this post.
I think it's fairly likely that Call of Duty is going back to World War II this year. However, I don't necessarily believe these images are legitimate. TheFamilyVideoGamers has a subscriber count of about 320 at the time of publishing, and it doesn't really make sense to me why someone would send these images to them of all people.
Another thing I'd like to mention is that Activision's "back to its roots" comment could mean something other than World War II entirely. It could point to a more traditional, modern military setting as well. We can't be sure, but we'll keep you updated as more is revealed.
Each year's Call of Duty game traditionally gets revealed around late April to early May, so we're only a little more than a month away if they continue that this year. Last year's Call of Duty: Infinite Warfare received an unfavourable review from Tyler, who said its side attractions—Zombies and Modern Warfare Remastered—were more fun than the main game. However, this year's Call of Duty is being helmed by Sledgehammer Games, and Tyler seemed to like their last attempt, Advanced Warfare, a bit more.