He later joins X's team to find the Power Stone and destroy the ultimate weapon Gravitron Core at Knowmoon. Nova first appears with Gamora after getting information that Grandmaster Meio made an alliance with Ultron Sigma, in the same time upon being called that they have rescue & imprison Thanos to make sure he won't backstab the heroes to defeat Ultron Sigma, right after Thor Odinson became the first hero to fall victim to the Sigma virus, and the heroes lost him.

The team itself consists of the classic Mega Man, Proto Man, Roll, Beat and Zero all in Nova Centurion outfits. Nova's ending features him reflecting and cherishing his time in the Nova Corps before he reveals his new team: the Mega Nova Corps. He enjoys joking around with friends and potential enemies, one example being that his pre-match quote against Rocket Raccoon has him calling him an extra from Bambi. Also like Hawkeye, he is serious mainly only when really needed, but at heart, he is a good person and a true hero who yearns to help the entire galaxy to the best of his power, and even beyond. He is also very lively and is a very competent fighter. Cocky, wisecracking, and self-absorbed, Rider is not unlike Hawkeye in terms of personality. Richard's personality in Ultimate Marvel vs Capcom 3 is a combination of his brash, and cocky personality from his early appearances and his serious, determined attitude from post-Annihilation. See also: Nova's alternate costumes in UMvC3, or in MvC:I Personality

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