MCU fans know that Thanos met his demise during the events of Avengers: Endgame, but Marvel can bring him back to life without problems. During one of the most iconic moments in superhero movies, Tony Stark sacrifices his life to snap Thanos out of existence. The noble sacrifice brought tears in the eyes of countless people, but it also comes with an interesting trade-off that hasn\u2019t been mentioned before. The Hulk reverts the snap and that all the beings affected by it return to life. While this brought a lot of happiness, it is also worth noting that Thanos can be brought back by someone who owns the Infinity Gauntlet and wishes to do so. A wondrous resurrection tends to take place quite often in comic books, and Thanos is no exception. Avengers: Endgame \u2014 How Thanos Could Return to the MCU The character was killed during a popular storyline in the 1970s. While some thought that Adam Warlock delivered a masterful killing blow, but Marvel decided to revive Thanos for Infinity Gauntlet, the iconic series which inspired the MCU. Since the events of Infinity Gauntlet Thanos died several times but returned due to a selection of lucky choices and circumstances. In some cases, he created clones of himself that were sacrificed. It can be said that Thanos is the greatest Marvel villain both in the comic books and the MCU. His introduction in the 2012 Avengers movie showed that the character is the biggest threat to humanity. During the MCU movies, Marvel revealed more details about him and his schemes. The fact that almost all the MCU heroes were needed to beat him during Avengers: Endgame proves that Thanos is a worthy challenge that should not be underestimated. A villain could use time travel to collect the Infinity Stones and bring Thanos back to life in Avengers: Endgame. At this point, we don\u2019t know who would want to do something like that, but the possibility remains.