Factual error: In the scene when The Wasp (Hank's wife) goes subatomic to deactivate a missile, you see the missile flying horizontally in the clouds. That is not possible. First, that missile does not have wings so it simply could not fly horizontally like an airplane. Second, Hank states it's a ICBM (Intercontinental Ballistic Missile). ICBMs have a circular trajectory with apogee at 1200km of altitude (750mi), WAY above the clouds.
Ant-Man (2015)
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Directed by: Peyton Reed
Starring: Michael Douglas, Paul Rudd, Evangeline Lilly, Corey Stoll
Continuity mistake: Cross is holding a normal striker fired (no external hammer) Glock handgun against the head of Ant-Man. In order to save his life, Hope orders the ants to block the firing mechanism of the gun, and they block a suddenly-visible hammer on the Glock. (01:26:00 - 01:27:00)
Scott Lang: My days of breaking into places and stealing shit are over! What do you need me to do?
Hank Pym: I want you to break in a place and steal some shit.
Scott Lang: Makes sense.
More trivia for Ant-Man
Question: As Kurt is loading the hack to deactivate the laser grid, Paxton and his partner are banging on the van, demanding that Kurt and Dave come out. Just as the program finishes loading, the cops open the door and drag them out. If the van was locked, how did they open the door? If It wasn't locked, why did it take so long to just open the door?
Chosen answer: They could have opened it with a crowbar or a Jaws of Life. (Likely the crowbar, since we didn't hear metal rending).
Captain Defenestrator