What are some key events that need to be read in a specific order to fully understand the current state of the Marvel Universe?

Several major events are critical to understanding the current Marvel landscape. You absolutely *must* read 'Secret Invasion,' 'Civil War,' 'Siege,' 'Original Sin,' 'Avengers vs. X-Men,' and 'Secret Wars' (2015) in roughly the order presented in the 'Marvel Now!' reading order. These events dramatically reshaped the universe and introduced significant changes to character relationships and power dynamics.