We’re all looking forward to our favorite superheroes teaming up again to face another threat in The Avengers: Age of Ultron. And besides a different villain, there’s two wild cards that are entering the fray: Scarlet Witch and Quicksilver. To settle some curiosity – just a little – a little video was released, introducing these characters.

You know the drill. Watch.

The Avengers: Age of Ultron takes theaters over May 1, 2015.