Super Ultra Baseball 2 was released in Japan only, as the fourth game in the Ultra Baseball series (known as the Baseball Simulator series in North America)
These baseball titles included some form of "Super League" where pitchers and batters would have special abilities.
Baseball Simulator 1.000 (1989, NES), also known as Choujin Ultra Baseball
Super Baseball Simulator 1.000 (1991, Super NES), also known as Super Ultra Baseball
Ultra Baseball Jitsumeiban (1992, SNES) NPB licensed.
Super Ultra Baseball 2 (1994, SNES)
Ultra Baseball Jitsumeiban 2 (1994, SNES) NPB licensed.
Ultra Baseball Jitsumeiban 3 (1995, SNES) NPB licensed.