Masahiro Sakurai recently participated in an email interview with IGN that talked about the future of the Super Smash Bros. series, among other topics. Super Smash Bros. Ultimate's development recently reached its conclusion after Kingdom Hearts' Sora was released .
Metroid is one of the longest-running franchises at Nintendo, with a long history of ups and downs. With our Metroid retrospective, we take a look at each game and what it brought to the series.