A cryptic new Instagram post from Ryan Reynolds has fans speculating that the actor could be returning as Deadpool in "Avengers: Doomsday."

Did Ryan Reynolds just confirm his next Deadpool appearance in the MCU? The actor loves a tease and shared a particularly tease-y photo on social media that has many Marvel fans speculating whether he will return as the Merc with a Mouth in next year's event film, Avengers: Doomsday.

Doomsday, and it's exactly what the movie needs. The story of Avengers: Doomsday is mostly unknown at this point, aside from the involvement of Robert Downey Jr. as Doctor Doom, the film's main villain.