You know Thanos, that big purple bad guy in Avengers: Infinity War? It turns out that he’s also playing another leading Marvel character in Deadpool 2 – Cable! If you’re even a casual fan of the X-Men (or you watched the 90’s X-Men animated series), you’ll know how important Cable is to the X-Men mythos. That’s why him appearing in Deadpool 2 is so important –…