The LEGO Movie 2 Videogame has 3 big bosses and a boss lead-up at the end of the game for a total of 4 bosses. Check out the following video to see how you can defeat them.
00:00 Apocalypseburg Boss Battle
10:16 Systarian Jungle Boss Battle
22:06 Sorting Area Boss Battle
31:25 The Ceremony Final Boss Battle vs General Mayhem