<P> Cross perfects the Yellowjacket and hosts an unveiling ceremony at Pym Technologies' headquarters . Lang, along with his crew and a swarm of flying ants, infiltrates the building during the event, sabotages the company's servers, and plants explosives . When he attempts to steal the Yellowjacket, he, along with Pym and Van Dyne, are captured by Cross, who intends to sell both the Yellowjacket and Ant - Man suits to Hydra . Lang breaks free and he and Van Dyne dispatch most of the Hydra agents, though one flees with a vial of Cross' particles and Pym is shot . Lang pursues Cross, while the explosives detonate, imploding the building as Pym and Van Dyne escape . </P> <P> Cross dons the Yellowjacket and attacks Lang before Lang is arrested by Paxton . Cross takes Cassie hostage to lure Lang into another fight . Lang overrides the regulator and shrinks to subatomic size to penetrate Cross' suit and sabotage it to shrink uncontrollably, killing Cross . Lang disappears into the quantum realm but manages to reverse the effects and returns to the macroscopic world . Out of gratitude for Lang's heroism, Paxton covers for Lang to keep him out of prison . Seeing that Lang survived and returned from the quantum realm, Pym wonders if his wife is alive as well . Later, Lang meets up with Luis, who tells him that Wilson is looking for him . </P> <P> In a mid-credits scene, Pym shows Van Dyne a new Wasp prototype suit and offers it to her . In a post-credits scene, Wilson and Steve Rogers have Bucky Barnes in their custody . Unable to contact Tony Stark because of "the accords", Wilson mentions that he knows someone who can help . </P> <Ul> <Li> Paul Rudd as Scott Lang / Ant - Man: A former systems engineer at VistaCorp and petty criminal who acquires a suit that allows him to shrink in size but increase in strength . Regarding Rudd's casting, producer Kevin Feige said, "Look at that origin of the petty crook who comes into contact with a suit and does his best to make good, and then look at someone like Paul Rudd, who can do slightly unsavory things like break into people's houses and still be charming and who you root for and whose redemption you will find satisfaction in ." Director Peyton Reed compared Lang to George Clooney's character Danny Ocean from Ocean's Eleven, saying, "He's a guy trying to create a new life for himself and find redemption ." To get in shape for the role, Rudd worked with trainers and cut alcohol, fried foods, and carbohydrates out of his diet . Rudd stated that in preparation for his role, he "basically didn't eat anything for about a year...I took the Chris Pratt approach to training for an action movie . Eliminate anything fun for a year and then you can play a hero ." Rudd signed a multi-film contract with Marvel, with Feige saying it was "three (films) - plus - plus to appear in other things ." </Li> <Li> Evangeline Lilly as Hope van Dyne: The daughter of Hank Pym and Janet van Dyne and a senior board member of Pym Technologies, who helps Darren Cross take over the company . Throughout the film, character progression brings Hope closer to becoming a hero . Lilly described her character as "capable, strong, and kick - ass", but said that being raised by two superheroes resulted in Hope being "a pretty screwed up human being...and the clear message sent by my name is that I'm not a big fan of my father and so I took my mother's name ." She added that Van Dyne's "arc in the movie is trying to find a relationship" with Pym . Originally cast by Wright, Lilly was reluctant to take the role after he left the project until she read the revised script and got a chance to meet with Reed . Feige said that Van Dyne was the more obvious choice to take up the mantle of Ant - Man, being "infinitely more capable of actually being a superhero" than Lang, and that the reason she does not is because of Pym's experience with losing her mother, rather than sexism, which Feige felt would not be a problem for Pym in modern times . Lilly signed a multi-film contract with Marvel . </Li> <Li> Corey Stoll as Darren Cross / Yellowjacket: A former protégé of Pym's, who takes over his mentor's company and militarizes a similar version of the Ant - Man technology to create the Yellowjacket suit . Stoll described the suit as "the next generation of Ant - Man's suit", with a sleeker, more militaristic look as "if Apple had designed a battle suit ." As for his character, Stoll said that Cross was more like Hank Pym than "Thanos or Loki, who are villains that know it", since Cross is a "brilliant scientist, who is not ethically pure" with shades of gray . Unlike Rudd, who wore a practical costume as Ant - Man, Stoll wore a motion capture suit while performing as Yellowjacket . Reed explained that this decision was made early on when creating and filming with a real Yellowjacket costume was found to be impractical . </Li> <Li> Bobby Cannavale as Paxton: A San Francisco Police Department officer who is engaged to Lang's former wife Maggie . Cannavale stated that Rudd and McKay convinced him to join the film during the rewriting process before Marvel approached him, saying, "They sort of pumped (my) part up a bit...I really went on good faith (taking the role) because they're so secretive (at Marvel) about the script . I just trusted them ." He also added that the process felt like an indie film instead of a large - scale blockbuster, and that he was able to improvise frequently along with the other actors . Patrick Wilson was originally cast in the role, before leaving the film because of scheduling conflicts brought on by the filming delay . </Li> <Li> Michael Peña as Luis: Lang's former cellmate and a member of his crew . Peña stated that he modeled Luis' vocal style and positive outlook on life "on a friend of a friend", saying, "That's just the way he talks and the cadence . He's got this grin on the entire time and he doesn't care . He's the kind of guy where you're like' Hey, what'd you do this weekend?' and he's like' I went to jail, dawg,' with a smile on his face . Not a lot of people do that . Not a lot of people think of life on those terms ." Peña signed a contract with Marvel for three films . </Li> <Li> Tip "T.I." Harris as Dave: A member of Lang's crew . Harris described Dave as Lang's "homeboy". Harris also revealed that he was not permitted to read the entire script, explaining "You're just handed scenes as the film (went) along, and when you do that, it's like a blank canvas,' This is what I'm going to do for this scene,' and you can remember previous performances and remain consistent with that . The energy created by the ensemble you have around you, it contributes to the outlook or the final view of what your character has become, and what he meant to the story ." </Li> <Li> Anthony Mackie as Sam Wilson / Falcon: An Avenger who is a former pararescueman trained by the military in aerial combat using a specially designed wing pack . On including Falcon, Reed said that it was not done just to include the character, rather "(i) t served a plot point; a purpose in our story" and allowed them to enhance Peña's "tip montages", which were written by production writers Gabriel Ferrari and Andrew Barrer, also adding Falcon "seemed like the right character--not a marquee character like Iron Man or Thor, but the right level of hero ." Rudd and McKay decided to include Falcon after watching Captain America: The Winter Soldier . </Li> <Li> Wood Harris as Gale: A police officer and Paxton's partner . </Li> <Li> Judy Greer as Maggie: Lang's estranged former wife . </Li> <Li> David Dastmalchian as Kurt: A member of Lang's crew . Dastmalchian, who is American, worked with actress Isidora Goreshter to learn how to speak in his character's Russian accent . On his character, Dastmalchian said that he "had this idea that Kurt was born and raised in a town even further out than Siberia and he was just an amazing computer wizard who fell in with the wrong people . But he was obsessed with two things: Saturday Night Fever and Elvis Presley, hence the polyester shirts unbuttoned too far and the hair in that pompadour ." </Li> <Li> Michael Douglas as Hank Pym: A former S.H.I.E.L.D. agent, entomologist, and physicist who became the original Ant - Man in 1963 after discovering the subatomic particles that make the transformation possible . He later mentors Lang to take over the role . Douglas compared his decision to join a superhero film to his role in Behind the Candelabra saying, "Sometimes--like (when) they didn't see you for Liberace--you've got to shake them up a little bit and have some fun ." Describing Pym, Douglas said, "He's sort of a Northern California, formal guy . He's lost control of his company . He lives in sort of a time warp . He was always a bit of a tinkerer . He's got a lab, plus a lot of other stuff, in his basement that we find out about . He's certainly bitter about what happened with his company and deeply scared of what the future might hold--because he himself, after having gotten small so many times, it's difficult . He looks and tries to find a guy that he can work with and has the right characteristics, which is (Scott)." Douglas indicated that he would not be wearing the Ant - Man suit . </Li> </Ul>

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