David Ellison , who works at Paramount , expressed his concerns about Annihilation being too terrifying and having too many jumpscares .
Due to a poorly received test screening , David Ellison , a financier and producer at Paramount , became concerned that the film was `` too terrifying '' and contained `` too many jumpscares '' , and demanded changes to make it appeal to the audience , including making Portman 's character less afraid , and changing the ending .
Annihilation -LRB-film-RRB-