1. When revealed in quest phase. The threat level will be there, no matter u travel there or not. Next quest phase its combined with enemies threat level. In one word, once a lot of location cards revealed, u r gona die of 50 threat level, no matter u travel there or not.
2. When there are multiple location cards in staging area, after u overkill one active location card, the left quest points will go to the main scenario card. If u want to kill another location card, u have to travel there first, even if the travel phase is just after the quest phase, all ur extra quest points cant be placed as ur wish to.