With Avengers: Doomsday now filming and the film's release date only a year away, fans can't stop theorising about what's in store for the next Avengers reunion. One particular Reddit user has done the maths on which Avengers: Endgame characters are returning, and the results has some fans worried.

Whether the "mystery actor" is a name already known or one that hasn't yet surfaced, the photo revealed by MCU Film News sent fans into a wild run of speculation. The guesses about who the character/actor was began running rampant,

Doomsday cast reveal, fans have a pretty good idea of who will be appearing in the superhero epic when it hits theaters next year. That said, we also know the list of Doomsday cast members isn’t complete.