Marvel unleashed a 100-million megaton bomb of a teaser at ... the top of Thor's head in his hand, looking ready to crack it like an egg. For a big finale, Thanos wields the Infinity Gauntlet ...

Now, we know that Thor's hammer has gone away and it is replaced in Infinity War with a new weapon and so what you get is a little bit of a taste, a closer look at how such weapons are manufactured.