Julian Dennison is a film child actor from New Zealand, best known for his roles as Ricky Baker in Hunt for the Wilderpeople, the highest-grossing New Zealand film in history, and as Russell Collins a.k.a. "Firefist" in Deadpool 2.
The story involves a Guardian and Zamaron visiting Earth to start the next wave of human evolution. Ten humans are chosen to advance and become immortals, given special powers. They are attacked by Manhunter agents, part of an alien conspiracy posing as close friends and relatives to every single superhero. Eventually this new breed of heroes become the New Guardians.