Thanos' plan for the infinity stones is finally revealed in the latest trailer for the upcoming Avengers film, Infinity War. As Gamora (Zoe Saldana) tells Tony Stark (Robert Downey Jr.), the alien warlord has long had the desire to balance the universe, and he means to achieve his plan by wiping out half of all life in it.
This doesn't sit well with the defenders of Earth and other preservers of life, so the whole of the Marvel Cinematic Universe convenes to stop the tyrant. Don't worry, even with the mass extinction looming there's still time for quips and jokes. How else do you expect these heroes to cope with the stress of saving the universe? Watch, below.