Milly Alcock’s solo DCU debut in Supergirl includes a very special family hand-me-down. The actress recently revealed that her cape in the Craig Gillespie-helmed Warner Bros. movie, which premieres June 26 in theaters, was made from the same material as Christopher Reeve’s cape in Superman (1978).
Source: [Deadline](https://deadline.com/2026/06/milly-alcock-supergirl-cape-same-fabric-christopher-reeve-1236956011/)