The first trailer for Marvel's "Avengers: Infinity War" drops Wednesday, revealing the first glimpses of Thanos' assault on a dizzying cast of heroes built up over 10 years and 18 films, from "Iron Man" to "Black Panther."

And while the movies have been teasing Thanos since 2012's "Avengers," plenty of other baddies have kept our heroes busy in the meantime, some admittedly more memorable than others.

Herewith is a completely unscientific ranking of the best worst people the MCU has had to offer. Click through the photo gallery to get started.

"Avengers: Infinity War," directed by Joe and Anthony Russo, debuts in theaters May 4, 2018.

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