The Lego Movie 2 - Rewind Back To The Past

Emmet Joseph Brickowski, after saving Bricksburg from being kragled by president business, has formed into a new and more hardened society with his friends where they all grow up and act more mature in a ongoing battle with dulpo aliens. Now known as Apocalypseburg, but after Emmet's friends get kidnapped by a weird general commander from the systar system, he decides to go after his friends and save them. But, that is cut short when he crashes into an asteroid and wounds up under a washing machine.

After 5 years of being in undar, Emmet came to the conclusion that his friends don't care about him as they never bothered to search for him, he becomes angry, bitter, cold hearted and escapes undar, he toughens himself up and changes his name to Rex Dangervest (Radical Emmet Xtreme).

Rex goes back in time, not to destroy the wedding. But to help his Past Self save Bricksburg and preventing Emmet from befriending Lucy and the others in the first place so he does not have to deal with the same pain that Rex had gone through.

What will happen to Emmet and his Radical Xtreme Future Self after they save Bricksburg from being kragled by President Business?