Check out the new teaser poster for Marvel Studios' "Avengers: #InfinityWar." pic.twitter.com/nTRCpmtpnT — Marvel Entertainment (@Marvel) November 28, 2017 Here’s the poster “leaked” by Tom Holland, though it looks like this was staged! Thanks, @TomHolland1996. Thanks, @MarkRuffalo. @Avengers #InfinityWar (via @TomHolland1996's Instagram Live) pic.twitter.com/t0luvCyihS — Marvel Entertainment (@Marvel) November 28, 2017 Marvel’s Avengers: Infinity War will be in theaters on May 4, 2018.