A new trailer for the upcoming 'Supergirl' release has debuted, featuring a first look at Jason Momoa as Lobo. The trailer has been described as having a similar tone to 'Guardians of the Galaxy' and also shows Milly Alcock's character in action. Jason Momoa has reacted to his character's debut in the trailer, but details about the film's plot and Lobo's role in it are not yet clear.