who is the protagonist?
Scott Lang / Ant-Man and Hope van Dyne / Wasp.
Ant-Man and the Wasp
Ant-Man and the Wasp is a 2018 American superhero film based on the Marvel Comics characters Scott Lang / Ant-Man and Hope van Dyne / Wasp. 
who plays ava in ant man and wasp UNANSWERABLE when was the movie premiered? June 25, 2018.
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Ant-Man and the Wasp [SEP] Introduction
Ant-Man and the Wasp is a 2018 American superhero film based on the Marvel Comics characters Scott Lang / Ant-Man and Hope van Dyne / Wasp. 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). The film is directed by Peyton Reed and written by the writing teams of Chris McKenna and Erik Sommers, and Paul Rudd, Andrew Barrer and Gabriel Ferrari. It stars Rudd as Scott Lang and Evangeline Lilly as Van Dyne, alongside Michael Peña, Walton Goggins, Bobby Cannavale, Judy Greer, Tip "T.I." Harris, David Dastmalchian, Hannah John-Kamen, Abby Ryder Fortson, Randall Park, Michelle Pfeiffer, Laurence Fishburne, and Michael Douglas.