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?

Leaked images have shown actors Patrick Stewart (Professor X), James Marsden (Cyclops), and Ian McKellen (Magneto) reprising their roles from the former Fox X-Men films. The return to the Fox X-Men universe has only heightened hopes for a Deadpool & Wolverine reunion within Doomsday.