"Glass" is M. Night Shyamalan's joint sequel of "Unbreakable" and "Split," and it's finally giving Bruce Willis' David Dunn his own superhero name.

Samuel L. Jackson is Elijah Price, aka supervillain Mr. Glass.

James McAvoy is Kevin Wendell Crumb, aka supervillain The Horde and The Beast. (He has 24 personalities, so he gets more than one supe name.)

Bruce Willis was just David Dunn -- but now he's also ... The Overseer.

The main "Glass" characters are being featured in their own motion posters before the debut of a new trailer this Thursday (aka tomorrow):

Calling Dunn "The Overseer" took fans by surprise, with a few saying they'd still rather call him The Unbreakable.

M. Night Shyamalan shared the first "Glass" photos and poster over the summer, leading up to the first trailer debut July at San Diego Comic-Con. Now -- or at least tomorrow, October 11 -- we're finally getting another look at the horror-thriller.

"Glass" costars Anya Taylor-Joy, Sarah Paulson, Spencer Treat Clark, and Charlayne Woodard, and opens in theaters January 18th, 2019.

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