Kevin Masterson is a fictional character appearing in American comic books published by Marvel Comics. The character was first introduced as a supporting character in Thor and appeared again in the spin-off series Thunderstrike, as the son of Eric Masterson, the featured character of both series. Kevin Masterson was later re-introduced in the MC2 series A-Next, as the superhero Thunderstrike, a theme which would be revisited in the Heroic Age of Marvel Comics in the eponymous limited series.