As has become Avengers: Doomsday tradition, the latest teaser trailer has leaked online ahead of its release in theaters, revealing an unlikely teamup in the process.

Marvel has released the third teaser for Avengers: Doomsday It focuses on the X-Men and hints at some mutant versus sentinel action

The teaser shows a ruined X-Mansion at some unknown point in the timeline as we see Charles Xavier and Magneto playing chess as we hear an ominous voiceover from Magneto: "Death comes for us all, that...