Of course, it’s now entirely possible that Julian Dennison may stick around the Deadpool franchise and be able to see the later installments in the series.
Deadpool 2 ends with the titular Merc with the Mouth walking off into the sunset with several of the film’s heroes, including a newly-reformed Russell.
Nothing of that nature is officially confirmed, but if Russell does stick around, then Dennison will be able to rest easy knowing that he will be old enough to see the movie in New Zealand by then.
If this X-Force lineup stays consistent in future installments, then it’s worth considering the possibility that Firefist could go on to become a full-fledged hero in the R-rated side of the X-Men franchise.
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15-Year-Old Deadpool 2 Actor Julian Dennison Can't See His Own Movie