A Chinese mobile game, Hero Mission, has some explaining to do, because it's an exceptionally shameless Overwatch clone.
There's a 25-minute long video on Youtube showing gameplay, and there is no other word for it: clone.
Aside from obvious Overwatch references, you can also see Dreamworks' Kung Fu Panda on the first screen, not to mention John Rambo himself.
Let's see how long it takes for Blizzard to take action. In the meantime, you can look at these "original" characters right here.
Thanks, Kotaku.