Marvel vs. Capcom: Infinite
Imagined and created through a shared vision between the two companies, Marvel vs. Capcom: Infinite will feature a variety of exciting and accessible single player modes and rich multi-player content for new players and longtime fans alike. In addition to single player Arcade, Training and Mission modes, a visually stunning and immersive cinematic Story Mode will put players at the center of both universes as they battle for survival against a sinister new threat, Ultron Sigma. Marvel vs. Capcom: Infinite is being built to highlight a combination of iconic locations and fan favorite characters from both universes, including Captain Marvel and Iron Man from the Marvel side, and Ryu and Mega Man X from Capcom.
Not really you do pretty much the same stuff offline as you can online
Yes it has a story mode. Capcom characters in the game DLC characters included. Arthur,Chris Redfield,Chun Li,Dante,Firebrand,Frank West,Jedah Dohma,Mike Hagger,Monster Hunter,Morrigan Aensland,Nathan Spencer,Nemesis,Ryu,Sigma,Strider Hiryu,X,Zero.