Reboots, reimaginings, the odd behind-the-scenes spat: Actors can be replaced between movies for any number of reasons — and sometimes it goes very, very wrong. James Gunn shares the first Supergirl ...

Reboots, reimaginings, the odd behind-the-scenes spat: Actors can be replaced between movies for any number of reasons — and sometimes it goes very, very wrong. What were the Afghan "Zero Units" that ...