Deadpool puts on a power-suppressing collar to persuade Russell to stand down. Cable tries to shoot Russell but Deadpool takes the bullet, and dies. Cable uses the last charge in his time machine to go back and save Deadpools life, using the lead coin he got for Vanessa. Russell spares the headmasters life, who is promptly run over by Dopinder. Cable opts to stay in the present day, now that his wife and child are safe in the future, to try and stop the world deteriorating.
During the credits, Deadpool gets the time machine fixed and goes around fixing the timelines. He goes back and prevents Vanessa dying, then travels to X-Men Origins: Wolverine and kills the awful version of Wade Wilson from that movie (also played by Ryan Reynolds). He finally goes and shoots Ryan Reynolds in the head before he appears in the Green Lantern movie.
