CREATE TABLE table_name_41 (initial_release_date VARCHAR(255), publisher VARCHAR(255), japanese_title VARCHAR(255))
When was Ranma ½: netsuretsu kakutouhen first release by Banpresto?
    
SQL: SELECT initial_release_date FROM table_name_41 WHERE publisher = "banpresto" AND japanese_title = "ranma ½: netsuretsu kakutouhen"