The thing I like about Ant-Man is that it's not like a secret power, there's no supernatural element or it's not a genetic thing. Walton Goggins as Sonny Burch: A "low-level criminal-type" who wants Pym's technology to sell on the black market. Production designer Shepherd Frankel said, "It's more visually interesting to depict things from Ant-Man's point of view instead of seeing him from a normal perspective. What I loved about this LUT was how it allowed the costume to retain the color but took it from fire-engine red to something a little more weathered. Judy Greer was confirmed to be reprising her role as Maggie from the previous film the following week.

For the chamber in Ghost's lair, the production team under production designer Shepherd Frankel wanted to create an environment that was unique to the MCU, and designed the chamber with Fresnel lenses to give it concentric-circle patterns that served a practical purpose for the film's story as well as differentiating the aesthetics of it from other sets and creating mystery about the character. When choosing between these themes for specific scenes throughout the film, Beck tried to choose the Wasp theme more often so there would be "enough newness in the score to feel like it's going new places, and isn't just some retread. There are countless things you can do to make him yours, but not all of them are as obvious as you might think.Produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures, it is the sequel to Ant-Man (2015) and the 20th film in the Marvel Cinematic Universe (MCU). For the sequence where Janet van Dyne communicates through Lang, inspiration was taken from All of Me (1984) in which Lily Tomlin's character is trapped in the body of Steve Martin's character.

A month later, Pym actor Michael Douglas said he was not signed for any additional films, but "would look forward to more if it comes my way", [40] and expressed the desire to have his wife Catherine Zeta-Jones cast as Janet van Dyne for a potential follow-up. Reed also said that the end of the film originally had a sequence where Ant-Man went after Carson to retrieve the stolen vial of Cross' particles, ". Luma worked on the scenes where Ant-Man and the Wasp infiltrate Ghost's hideout, where they had to recreate the entire environment with CGI. The film's lab and quantum tunnel set was inspired by The Time Tunnel (1966–67), and was the largest physical set built for an MCU film, which Reed jokingly said was "a little counter-intuitive".In October 2014, Martin Donovan was added to the cast, [54] and Feige revealed that Ant-Man would no longer start Phase Three of the Marvel Cinematic Universe and would instead be the final film of Phase Two.

Reed said the costume design was influenced by Asian tokusatsu superheroes such as Ultraman and Inframan.While the first film was more of a heist film, Reed described this as part action film, part romantic comedy, and was inspired by the works of Elmore Leonard where there are "villains, but we also have antagonists, and we have these roadblocks to our heroes getting to where they need to be".