A multiplayer beta for Call of Duty: Black Ops 7 has been leaked on the Xbox website, revealing the first chance to try out the newest entry in the blockbuster FPS series is coming up this October.Here's everything you need to know about the upcoming Black Ops 7 multiplayer beta, but be aware we don't know all that much yet since the existence of the product page just emerged minutes ago.When does the Black Ops 7 beta start?The Black Ops 7 multiplayer beta starts on October 2, according to an Xbox.com product page for Black Ops 7. But October 2 is only when the "early access" period begins. Everyone else can start playing on October 5, according to the product page.How to get in to the Black Ops 7 betaAccording to the product page that has seemingly gone live too early, it's an open beta, which suggests anyone can play it. The "early access" qualifier suggests only certain people can get in early. For Black Ops 6, Activision invited Game Pass subscribers and people who preordered the ability to get in first, but it remains to be seen what the deal is for Black Ops 7's beta.What's in the Black Ops 7 beta?Activision has not announced what maps and modes will be in the Black Ops 7 multiplayer beta. But all should become clear in the relatively near future. Given that the Xbox.com product page went live ahead of the Gamescom unveiling today, August 19, it's possible we'll learn more today.Keep checking back with GameSpot for the latest.Black Ops 7 is reportedly set to launch on November 14, which is about a month after Battlefield 6 arrives on October 10.