The New Mutants summary also highlights a few of the other characters we’ve seen glimpses of thus far, including Danielle Moonstar, a.k.a. Mirage (Blu Hunt), Sam Guthrie, a.k.a. Cannonball (Charlie Heaton), Rahn Sinclair, a.k.a. Wolfsbane (Maisie Williams), and Roberto da Costa, a.k.a. Sunspot (Henry Zaga). The synopsis makes it clear that these characters end up experiencing a “white-knuckle thrill ride” as they attempt to learn the truth about the institution.
Article source: https://www.cinemablend.com/news/2551632/new-mutants-synopsis-teases-confirms-connection-to-a-major-x-men-character