Some kids will never grow up – even after becoming worldwide heroes.

It would appear that Nintendo’s classic Game Boy handheld still has a place in the hearts of Avengers: Endgame actors Chris Evans (Captain America) and Scarlett Johansson (Black Widow). Recently, Mark Ruffalo (the Hulk) tweeted a photo of both stars playing the system together – apparently while resting on set.

https://twitter.com/MarkRuffalo/status/1116822984474398720

Fans were quick to identify the exact game they were playing as the classic Tetris – judging by the cartridge’s blue label with a pink logo sticking out on top. Now we’re just curious about who was winning in this picture!

What do you think about these two heroic nerds? Let us know below.