Seeing beneath miles’ skin, as the spider bites him highlights this change at a cellular level. The usage of the colour, which fluctuates from red to blue serves as a metaphor for the possibility of infinite universes. This visual layout foreshadows the idea of the Multiverse which is discussed as the film proceeded. The settling of the colours serves as a metaphor for how Miles ends up saving all the universes and are his own from elimination by kingpin.