ΔE 6.6, close: similar, with a visible difference side by side. Fire Flame is a little lighter than Superhero Red.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Fire Flame is a little lighter than Superhero Red.
The same difference applies the other way round: Superhero Red is a little darker.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Superhero Red on the colour wheel See Fire Flame on the colour wheel
All matches: Superhero Red equivalents · Fire Flame equivalents