So apparently, I don't have a Blizzard login but I play Overwatch. I'm not sure if its because I play on a Playstation because I know you must have to login to play on a PC.
How can I get access to my Blizzard login?
You don't need to have a Blizzard (battle.net) account to play Blizzard games on a console. You can link your PSN/Xbox account to your existing battle.net account if you want to.