The Marvel Cinematic Universe has consistently proven to be an unprecedented blockbuster experiment in many ways over the last decade, but the long-teased arrival of Thanos has unquestionably been one of its most ambitious and risky maneuvers. Not only have fans waited for him through six years and 12 movies since his first on-screen appearance in Joss Whedon's The Avengers, but it has been repeatedly said by filmmakers that the ultra-villain's spotlight moment would be the adventure that every previous Marvel Studios film has been leading towards (a total of 18 features over 10 years). That's an unreasonable amount of pressure and hype to put on any single project -- and it's only multiplied by the insane popularity of the franchise.

The real crazy thing, though, is that they actually succeeded…