Infinity War is the MCU’s pivotal moment. You have got heavy hitters — Iron Man, Doctor Strange, Spider-Man, the Guardians — going full throttle against Thanos.

The MCU often includes twists or reveals that cause their films to change dramatically upon subsequent rewatches, as the larger MCU story evolves.

Several key MCU characters have been missing from the franchise for years now, despite many of them being positioned as vital ...