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Marvel fans across social media keep editing Thanos into the background of famous pop-culture moments using the hashtag #SneakyThanos, and the results are pretty funny.

SALT LAKE CITY — This April, Thanos will return to the big screen in “Avengers: Endgame." But in the meantime, the Marvel villain is sneaking into photographs all over the internet in one of the latest viral social media trends.

What’s happening: Marvel fans across social media keep editing Thanos into the background of famous pop-culture moments using the hashtag #SneakyThanos, and the results are pretty funny.

Some are more obvious, while others take a little bit of squinting.

See if you can spot the villain looming in these big pop-culture moments.

See Thanos in "Avengers: Endgame" on April 26.