1. Always hire Anthony Hopkins to deliver exposition. The man is an Oscar-winner, he’s played everybody from Hamlet to Hannibal Lecter, he’s got the best butter-melting British purr in the business. So if you’re Zack Snyder — or even if you’re not Zack Snyder, but are dropping the second chapter of a needlessly complicated space saga and need to get folks back up to speed — you enlist Sir Anthony to say things like: “On the far edges of the Mot…