New content, including Buzz's original story, is available as part of an Minecraft DLC that is based on the animated Pixar film Lightyear. The latest Minecraft blog post described the Lightyear DLC as a "blocky intergalactic adventure," that will have five missions. These missions allow players to fight off enemies using various gadgets, withstand hostile environments and fly various aircrafts to avoid obstacles.
"In the Lightyear DLC, you'll can play through Buzz's history and help Buzz navigate an alien planet after a disastrous crash landing," a part of the post states. " GAMES can play through five missions as Buzz, a hero trained at the Academy, which includes the dangers of a swamp, a jungle, and mines along with various alien settlements."
The Lightyear DLC will also include an exclusive Lightyear-themed Character Creator item. It's currently not available on Nintendo Switch, but the blog stated that it would be coming soon.