For a long time, the MCU's biggest flaw was its introduction of "meh" one-time villains. Fortunately, the quality of evil has improved significantly over the last few years. Guardians of the Galaxy Vol.2's Ego is just one example. Ego "The Living Planet" Quill proved to be a worthy inclusion. It could even be said that Star-Lord's planet father resembled a weirder, less scary Darth Vader. Both ambitious rulers, and father to non-evil sons.