Fans of the 1999 movie, which bombed at the box office, can even spot The Iron Giant in Aech's (Lena Waithe) garage during "Ready Player One" before reappearing triumphantly in the final battle.

Ready Player One exploded into theaters ... In between brief appearances from King Kong, the Iron Giant, and Jurassic Park's T-Rex (to name just a few), there's one reference to a character ...

Pop culture is religion in Steven Spielberg’s Ready Player One, including anime ... in the climactic battle against Mechagodzilla, controlled by Anton Sorrento (Ben Mendelsohn).

Hailed as one of the most inventive and exciting sci-fi novels of the decade, Ernest Cline’s Ready Player One was a bestseller ... but aside from the Iron Giant, none of them serve any real ...