What's this? A new skin for Mercy in Overwatch? Yes, that is correct and there isn't a special seasonal event happening in the game. It's for awareness and all proceeds will go towards the Breast Cancer Research Foundation.
The popular Uprising event which saw the addition of a PvE mode in Overwatch is making a return. Perhaps we'll get a deeper understanding of the game's lore this time around, among other things like new awesome skins.