But Deadpool isn’t the only one making an MCU debut. As the trailer reveals, villain Cassandra Nova, played by The Crown’s Emma Corrin, is being introduced into the ever-expanding universe.

Emma Corrin pops up as Cassandra Nova, the chief villain of the film that will see Ryan Reynolds' Deadpool reunite with Hugh Jackman's iconic X-Men member, Wolverine. (Also Read – Deadpool ...