When tragedy strikes the kingdom of Asgard, THE MIGHTY THOR soars into action! Wielding the thundering hammer Mjolnir, Thor sets off for the land where the Frost Giants dwell—frozen Niffleheim—in a matter of life and death for Asgard. But if YMIR has his way, the only thing awaiting Thor will be a frozen grave! Don't miss this ALL-NEW tale featuring the original God of Thunder!