"In my experience, most anything is possible, though it is less likely. There does tend to be someone behind things such as these." The really worrisome thing to Loki was that if there was someone or something that had arranged to bring them all here, then they had to be quite powerful. Loki was by no means an all powerful god, but he was still a god and a very powerful mage. Not many could do this sort of thing to him, especially not without him noticing.