With Avengers: Doomsday only a year or so away from hitting our screens, Marvel fans are keen to see one particular battle in the new duo of Avengers movies – Thanos versus Doctor Doom.

Now, in Deadpool Kills the Marvel Universe One Last Time #4, he'll face one of his toughest challenges ever as he battles the Doctor Doom of an alt-reality. But he's not totally unprepared.