India, Dec. 29 -- It's been a series of leaks for Avengers: Doomsday as far as the film's teaser trailers are concerned. After individual promos teasing the returns of Chris Evans and Chris Hemsworth were leaked online, a third teaser has now surfaced, finally giving a good look at the belated arrival of X-Men in the Marvel Cinematic Universe (MCU).

On Sunday night, several social media accounts across platforms posted the teaser showing X-Men's presence in the film. The teaser, seemingly shot on a phone inside a theatre, shows the burning Xavier School for mutants. We hear Patrick Stewart's voice-over over mulling over who survives in this battle. We get a glimpse of Patrick's Professor Charles Xavier interacting with Ian McKellen's Mag...