After the New York attack, Loki is captured by the Avengers and was supposed to return to Asgard with his brother Thor. But somehow, he ends back on earth and loses his powers. While lurking on earth, he accidentally bumps into Alice Sigyn, who offers to help him, and secretly ruin him if he ever betrays her. But it seems her feelings will betray her first as she realizes she's falling for the God of Mischief.
(Can be read as an alternate storyline to 'Avengers' or the 'Loki' series.)