Paul Rudd recently reminisced about the infamous "Thanus" theory during an interview for his upcoming movie, Death of a Unicorn. This theory suggests that Ant-Man could defeat Thanos by shrinking down and then expanding inside him. Rudd humorously discussed the logistics of this tactic, engaging co-star Jenna Ortega in a dialogue that highlighted her confusion over the concept. Despite being a humorous internet relic, the theory has seen a resurgence in popularity since its initial inception around the time of Avengers: Infinity War and continued to gain traction after Avengers: Endgame. Fans are still intrigued by the possibility of this outrageous tactic being used against future MCU villains, with Doctor Doom slated to appear in Avengers: Doomsday in 2026.

What is the "Thanus" theory about?

The "Thanus" theory humorously suggests that Ant-Man could defeat Thanos by shrinking down and then expanding inside him, effectively causing harm from within. This theory has become a popular discussion point among fans since its rise in 2017.

Ant-Man is part of the Marvel Cinematic Universe, having debuted in 2015. The character, played by Paul Rudd, possesses the unique ability to shrink to the size of an ant while maintaining his human strength. The character's name and powers have led to numerous fan theories, including the infamous "Thanus" strategy against the formidable Thanos. As the MCU continues to explore new narratives and characters, the legacy of its earlier films and associated fan theories like "Thanus" persists, adding an entertaining layer to its expansive mythology.