I feel so out of the loop on the Fortnite craze - I've never played it and don't even know where to start. Now comes news that Thanos is getting involved for a limited time mashup and I'm really tempted to jump in. As of today, the Fortnite x Avengers Mashup is live, and a short teaser has been released. Check it out below and then see if you have what it takes to control the Infinity Stones...