The poster for classic horror film Poltergeist puts little Heather O’Rourke in a sea of darkness. What could be lurking there? But the record for using negative space must go to Marvel’s Ant Man.

Heather O’Rourke, a child star best known for the horror movie Poltergeist (and that spooky line “They’re heeere!”) whose life was tragically cut short at the age of 12, will be the focus ...