Leaked footage, allegedly from ‘Avengers: Doomsday,’ has surfaced online, offering a potential first look at Doctor Doom battling the X-Men, Avengers, and Fantastic Four. The clip, though pixilated and debated for authenticity, reportedly shows Sentinels, Thor and Steve Rogers teaming up, and a recreation of a classic ‘Avengers’ scene. This potential crossover has ignited fan excitement.