. The Future Time line is completely wiped out in the end of the film but the two Xaivers manage to save the Past Time-Line before Future Xaiver dissapears.
. At the end of Days of Future Past.Before the Future Time Line is whiped from existence, Future Xaiver sends the Past X-Men one final message, "Apolycypse is coming"
. Age of Apocalypse takes place in the 80s where Xaiver is killed my Mr Sinister. Mr Sinister was planning to kill Magneto in order to change the timeline but instead killed Xaiver.
. Magneto and Mystique decided to to take down Mr Sinister as he is Charles Xaiver's killer ( Both Magneto and Mystique want to honor Xaiver) who is later revealed to be working for Apocalypse.
.When Apocalypse comes down to Earth and supposedly kill Mr Sinister. Mystique betrays Magneto and Magneto is thrown into Jail as Apocalypse and his minions attempt conquer the earth.
. The Mutants are not able to hold off the attack ( Most of them are killed) and eventually Apocalypse conquers all of North America and eventually mutants are considered the ruling class
. Apocalypse also initiated a genocidal campaign called "cullings" killing millions of humans
. Mystique later breaks Magneto out of jail stating that she acted as a double agent on instructions by Charles Xaiver who knew that Apocalypse was coming and if he or Magneto were killed before the invasion than act as a double agent
.Magneto and Mystique to hold in secret until they get a message by someone to go to the local bar where they meet Charles Xaiver. Confused on why he is alive. Charles explains that he has been working in a underground base for over a year and the Charles that had been working with Magneto was a clone created by Xaiver.
.Xaiver explains that he managed to find a ancient transcript that read of the tails of Apocalypse. He is a Mutant born in Egyptian Times and that he managed to find ancient tech that was buried for 1000s. Xaiver managed to find the ancient tech as well and use it to create clones.
. Xaiver then take Mags and Mystique to the secret base. Xaiver has been experimenting with mutant DNA, secretly growing a Mutant Army to take down Apocalypse. Magneto hates the fact he is experimenting with human DNA but Xaiver says it's the only way to beat Apocalypse
. Xaiver brings out 7 Mutants ( He has a lot of take to create them) : Husk ( Clone of Mystique. Has slightly different powers),Hope Grey ( In this world Jean Grey was never a X-Men and was killed by Humans. Her DNA was used to create Hope), Cable ( Clone of Havok Summers. Artificially aged, Nightcrawler ( In this version he is the clone of Azeral, Selene ( Clone of Emma Frost), Legion ( Charles Xaiver's Clone) and Onslaught ( A creature consists of Charles and Magneto's DNA)
. Xaiver, Magneto and Mystique along with the 7 Clone X-Men form the new X-Men. They go around the country rescuing Mutant without being caught. Apocalypse tells Mr Sinister to take out this new X-Men
. Mr Sinister using his army of clones and attacks the team, Mystquie is killed by Mr Sinister but in turn Magneto kills Mr Sinister.
. The X-Men are ready to attack Apocalypse and a final battle insures with the army of mutants after a very long and bloody battle manage to defeat Apocalypse and his mentions. Xaiver kills Apocalypse by crushing his brain in.
. Now with the final battle the Age of Apoloypse comes to an end. The Earth can start all over again
. There is a end credits scene with Onslaught meeting up with the Alive Mr Sinister, telling him that all is going according to plan.