Spoilers and stuff so yeah...

Before the End

-Peter and Mary Jane will break up.

-Wanda and Peter's Relationship will take a 180.

-Bucky and Peggy will Die.

-Natasha and Steve will merry after the deaths of their respected spouses and would later have a son James Rogers. 

-Loki and Valkyrie will rule Asgard together for centuries. 

-Jane Foster will become near immortal thanks to Asgardian science and lived with Thor together in peace. 

-Tony Stark will retire after  his daughter Morgan Becomes Iron-Heart and Harley becomes the New Iron-man. 

-Bruce Banner retired to Asgard and marries his old friend  lady Sif. 

-The other Avengers had less than exiting lives AKA not important in this Universe  I'll call it earth SGAU

AN:New Chapters soon i propose!