Following Marvel Studios' date shuffle for the future Marvel Cinematic Universe projects, fans learned that the Second Season of What If..? will hit Disney+ in December 2023. This, combined with the many rumors and leaks about possible storylines, excited the fans. When it comes to What If...?, there's an infinite amount of possibilities, and the fandom knows this.
Source:https://www.cbr.com/10-what-if-scenarios-in-season-2/