Adam B. Vary Senior Entertainment WriterSPOILER WARNING: Do not read if you’ve not seen “The Suicide Squad,” currently in theaters and streaming on HBO Max.Storm Reid has only two scenes in DC’s R-rated action spectacle “The Suicide Squad,” from writer-director James Gunn, but the 18-year-old acting veteran (“A Wrinkle in Time,” “The Invisible Man,” HBO’s “Euphoria”) makes the most of them.