The stories of the two movies will be the same until Satoshi and Pikachu meet Victini but the legendary Pokemon will be either Zekrom or Reshiram.
Pokemon Best Wishes!: Victini to Shiroki Eiyuu Reshiram, Pokemon the Movie: Black - Victini and Reshiram, 劇場版 ポケットモンスター ベストウイッシュ ビクティニと白き英雄 レシラム
