Marvel VS Capcom: Clash of Super Heroes is a crossover, tag-team fighting game developed by Capcom, and released on January 23, 1998, developed for the CPSII Arcade board. It is the third game in the Marvel VS Capcom video game franchise, and the fifth overall Marvel fighting game developed by Capcom, serving as the sequel to Marvel Super Heroes VS Street Fighter. The game features a playable roster of 21 characters and 22 assists, split (mostly) evenly between the two companies. Much like its predecessors, and unlike the games that came after it, MVC1 features 2-VS-2 tag-team fighting gameplay, rather than the 3-VS-3 gameplay the series is well known for. In addition to this, assists are no longer teammate based, but rather based on a separate roster of characters who each have a unique function, distinguishing them from the playable roster. MVC1 also added the additional feature of Duo Team Attacks, where both player characters come out to attack for a limited period of time until their meter runs out, distinguishing it from the team supers of future Marvel games.