​While ​Michael Keaton's return to prominence has more or less cooled by now, it was pretty awesome to see him return to superhero movies as the Vulture in 'Spider-Man: Homecoming.' And an eagle-eyed fan believes they may have found one of Marvel's famous easter eggs which honors his contributions to the genre.


In the scene where he first faces off against Spider-Man, Keaton, who played ​Batman in the Tim Burton films in the 1980s, is briefly seen silhouetted against a full moon, forming an image eerily similar to DC's famous bat-signal which calls the caped crusader to action. It's unclear if this was an intentional easter egg by director Jon Watts or just a coincidence, but it's pretty cool either way.

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However, it wasn't the only reference to Keaton's past work in the film. Star ​Tom Holland described a deleted scene after he saves Vulture from the burning wreckage of his own flight suit and the two have a brief, witty exchange. "I think the line was ‘Why did you save me?’ And I’m like, ‘because I’m Spider-Man,’ and then he goes, ‘But I’m Batman!'" Holland explained.


Though notoriously difficult to work with, Keaton made a huge impression on Holland, who complimented the older actor on his intensity. "He was amazing to work with. Terrifying," said Holland. "That scene we shot in the car was so stressful...and we shot it for a whole day and as soon as you’d call ‘cut’ he was like the nicest guy ever...but then you’d call ‘action’ and he would...become this villain...it was amazing to work with him."