In the future several variations of what we call human exist, two of whom joined the Doctor on a bank heist. I quite liked these two characters, and the episode managed to explore their ‘super’ qualities in a way that have them character depth and not just two dimensional super pals
Augmented humans are equipped with various cybernetic implants that merge with their obtains to allow them to interact with computer systems and even modify or delete their own memories
Mutant humans were able to show superhuman abilities. One notable individual could replicate the appearance of people she came into contact with. Mutants often struggled with being mistrusted because of their abilities.