In the world of tattoo culture, events that capture the attention of not only fans but also the general public are rare. However, the story of the tattoo that the original Avengers cast members got became just such an occasion. This symbol, which united five out of the six main characters of the Marvel Cinematic Universe, sparked a storm of discussions, speculation, and even conspiracy theories. And it all began with one of the participants – Mark Ruffalo – refusing the tattoo.