Thunderstrike is the name of two characters appearing in American comic books published by Marvel Comics while also using an Asgardian weapon of the same name. The first version, Eric Masterson, was introduced as Thor as a supporting character in the Thor title but continued in several other comic books like the self-titled series Thunderstrike in 1993. The second version, Kevin Masterson, was first introduced as a supporting character in Thor and appeared again in the spin-off series Thunderstrike (as the son of the first version). Both versions would later appear in both the Marvel Comics 2 and Heroic Age Marvel Comics storylines.