Should all of the pieces come together, the one unifying threat that ties together all corners of the MCU could be our red skinned buddy, who has the power to look as big and bad or small and understated as he wishes to be.
Budget and casting need not be an issue, as each arm of Marvel’s universe could have its own version of the devil, and have it all make sense.
This isn’t the first time we’ve heard Mephisto’s name being thrown around in the Marvel Cinematic Universe canon, as the horned beast has also been suggested as the main antagonist for The Defenders team-up series that promises to see all of Marvel’s Netflix heroes coming together.