One of the many things Alexander Mariotti wants you to know about Those About to Die, the new Amazon Prime show set in ancient Rome, is that gladiators rarely actually died in colosseum combat. Although the phrase “Kill or be killed” is a powerful marketing tool, real gladiators tended to have long, healthy careers. “But let’s be honest,” says Mariotti, “if you had a show coming out tomorrow called Those Who Rarely Die, you’d say, ‘That’s a crap show. I don’t want to watch that. I want to watch something where someone might die.’” Set in 79AD, Those About to...