Although Marvel has not officially announced plans for a fourth Guardians of the Galaxy film – one which we could only imagine would be titled Guardians of the Galaxy Vol. 4 – insider Rejected ...

Yes, it would be fun to follow Groot back to Planet X, but the only way that's likely to work as a feature is if we get Guardians of the Galaxy 4 (which we know James Gunn won't be at the helm of).