It could mean "It's just the same old shit but with 5 new heroes next week" It's this new trend of making a confusing headline so people click it for clarification.
Headline is a poor attempt at saying they are renaming it to just 'Overwatch' without the 2.
https://vlix.io/video/2ef49b07fe6f62e6dc8d/
https://www.youtube.com/watch?v=kmZAsLMUuPw
It could mean "It's just the same old shit but with 5 new heroes next week"
It's this new trend of making a confusing headline so people click it for clarification.