New Delhi, Dec. 13 -- DC Studios' first teaser for 'Supergirl' has triggered sharply mixed reactions online, with early audience responses split between excitement over the character's reinvention and frustration over what some see as another irreverent, Guardians-of-the-Galaxy-style superhero outing.

Many viewers have rallied behind Milly Alcock's casting, with fans calling her a natural fit for the role and social media already filling up with cosplay tributes. Actress Neva Howell also praised Alcock, describing her as an inspired choice.

One reaction insisted that criticism of the trailer had little to do with Supergirl herself, saying, "supergirl is a massive fan favorite and people love the actress playing her. the backlash has not...