At this time, there is no official announcement about Invincible season 2. The show is a remake of a graphic novel series, and the first season ended with much success.
The series hasn't been renewed for a second season yet, but the chances are strong for one due to the positive response from critics and fans. The studio behind the series, Skybound Entertainment, has expressed hope for a second season. So it looks like the future of Invincible is quite open.
If you're interested in staying up to date with news about a possible season 2, then here are some useful resources:
• Skybound Entertainment's official website: http://skybound.com
• IMDb page for Invincible: https://www.imdb.com/title/tt8486106/
• The official Twitter account of the showrunners: https://twitter.com/InvincibleHQ
• The show’s Facebook page: https://www.facebook.com/InvincibleTV
You could also keep an eye on news outlets and industry-specific websites that report on TV reveals. At the moment, there's nothing concrete to report but stay hopeful and we'll keep you informed when we learn more.