Kevin Masterson is granted the mace of his deceased father by Edwin Jarvis, the Avengers' butler, per his father's will. The mace is stolen from Kevin and even comes into the possession of Loki, who had created a spell to tap the dormant power within the mace. Kevin leaps into the midst of the spell, absorbing the mace and the magic it contains. He becomes his own version of Thunderstrike and a founding member of a new version of the Avengers.