For how long was Loki (Marvel) in prison?

Not long after the sounds of battle had died away, a guard visited Loki and informed him that Frigga had been killed by the Dark Elves, who had attacked Asgard at the same time as the prison riot started. read more

Loki appears in Marvel: Ultimate Alliance, voiced by Larry Cedar. He is a lieutenant in Doctor Doom's Masters of Evil. Loki appears in Marvel Super Hero Squad, voiced by Ted Biaselli. Loki appears in Thor: God of Thunder, voiced by Tom Hiddleston. Loki appears as a villain character in Marvel Super Hero Squad Online, voiced by Ted Biaselli. read more

Karnilla released Loki from prison not long before Odin faced Surtur in battle once again. This time, Odin was truly slain. Thor ascended to the throne of Asgard, and Loki found himself surprisingly content under his rule, seeing new opportunities for power, and genuinely pleased as Thor began to impose Asgardian values on Earth. read more