Before Tom Holland swung onto our screens, before Andrew Garfield’s moody web-slinger, there was Tobey Maguire. For millions of kids in the early 2000s, his Peter Parker was Spider-Man. The awkward kid who cried, who lost the people he loved, who still chose to do the right thing anyway. He defined the term Superhero for an entire generation. So the viral theory that his story could end in Avengers: Doomsday, fighting the very X-Men who once shared his universe, has hit the internet hard. The theory suggests a fatal showdown between Peter and the X-Men following an incursion.