Overwatch’s April Fools’ Day joke is an evil universe version of the game Share this story Image: Blizzard Entertainment Overwatch’s experimental mode has always been a way for Blizzard to try out new things and see what might work well without fully committing to a set of changes. For this April Fools’ Day, the developer is running an experimental card that’s way different. This is live now in Overwatch, if anyone wants to see a dark mirror version of the FPS where Mei is an unstoppable, enormous tank, Sigma can fly, and D.Va can drop her mech down from the skies and crush anyon...