Doomsday has become a viral sensation, garnering millions of views within its first four hours online despite the leak.

You can watch the teaser trailer for Avengers: Doomsday right now, but don't expect to just hit play on YouTube.

Doomsday marketing plans have left fans convinced they know everything in next week's Thor-focused trailer, prompting a stream of lookalike AI versions to hit the internet. More like this Avengers: Doomsday Trailer Reaction Divided Over 'Desperate' Decision to Bring Back Chris Evans,