Marvel fan thinks Avengers: Doomsday teasers have hidden details, and they've "cracked the code"

Blink and you'll miss it.

Avengers: Doomsday is coming this December – here's all you need to know

Avengers 5 is bringing back the Russos and Robert Downey Jr, so here's all you need to know about Avengers: Doomsday, ...