Sonic The Hedgehog: Bad Guys (2020)

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The mastermind behind the Metal Virus isn't done yet. Ian Flynn returns to answer: What happened to Dr. Starline?
  
The Shadowy Scientist is back to his evil antics in Bad Guys! And what better place to concoct nefarious plans than one of Dr. Eggman's abandoned bases? But that is easier said than done when badniks are guarding the entrance! Dr. Starline knows he can't do it alone, so he decides to recruit some familiar and not so friendly faces.