Marvel debuted a new trailer for “Ant-Man” on Monday, previewing how Paul Rudd will go from goofy, ageless comedy dreamboat to certified superhero. The Peyton Reed-directed film also stars Michael Douglas and Corey Stoll, and we see them both interact with Rudd, in and out of the Ant-Man suit.

“Ant-Man” even looks kind of funny, with punchlines about the dumb name — “It wasn’t my idea,” Rudd says — and a battle between two tiny superheroes and a toy train. Directed by Peyton Reed (“Bring It On,” “The Break-Up”), “Ant-Man” opens on July 17.

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