The following two Agents of SHIELD openers – one from last season and one from tonight – seem, at a superficial level, tonally very different. But upon reflection, despite the frenetic explodiness of the first clip and the cheery calmness of the second, they really are doing very similar things: showing us a slice of the daily life of one of our agents, set to disarmingly eccentric pop music, followed by a twist that reveals the opposite organisational logo from the one we expected to see.