The Radar story quoted an anonymous "insider close to the situation" as saying, "This is definitely happening."
Fox was quick to deny the story, which by Monday afternoon had been picked up by a variety of excited blogs and news outlets.
The hit Fox show is currently in its fifth season and is facing the roadblocks typical to television shows based on teenagers as they quickly age out of roles. A spinoff would be a good way to migrate key characters into a new playing field alongside Michele.
"Glee" has been commissioned for a sixth season, which Murphy announced would be its last.
Michele was dating Monteith at the time and has spoken publicly about how difficult things have been since his death.