In the year 2046, Groot left the Guardians of the Galaxy to take part in experiments on Earth that would study his ability to revive post-mortem. However, attempts to remove his cells cause his healing factor to kick into overdrive, transforming him into a giant, mindless monster. After killing several members of the Avengers, he was eventually talked down by his friend and former teammate, Rocket.
- Prior to being given an official reality designation, this reality was known as Earth-TRN550 per our Temporary Reality Numbers system.
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