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

Ryan Reynolds has teased that his Deadpool character could appear in the upcoming Marvel movie Avengers: Doomsday, but is this a good idea?

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.