Doomsday' trailer features Chris Hemsworth's Thor praying to his late father, the Norse god Odin, ahead of battle.

Marvel trailers often promise moments that never appear in the final movie. From missing battle scenes to altered character reveals, these changes have become a pattern. This video breaks down the most famous examples and explains why they happened.

*The Marvel Cinematic Universe dives back into the undead with the upcoming animated miniseries “Marvel Zombies,” set to premiere on Disney+ this month. A new trailer offers a glimpse of zombified heroes, hinting at the brutal chaos awaiting fans.