Masahiro Sakurai has worked on the Super Smash Bros. series for a long time, and according to him, this is not the end of the series.
Super Smash Bros. Ultimate development has concluded with the release of the last DLC fighter, Sora from the Kingdom Hearts series. After the release of the last DLC and the culmination of the second Fighter Pass for Super Smash Bros. Ultimate, Sakurai appears to be taking a long break. However, he might not be done yet with the series.
In a new column (via), excerpts of which have leaked earlier, Sakurai states his plans including what he thinks will happen with the Smash Bros. IP in the future. When asked if Sakurai will return for a new entry, the reply from Sakurai was: “I’m not even thinking of a sequel at all. This happens with every release. But I can’t say that this will be the last Smash ever.”
He also suggests that without his involvement, there won’t be a new game in the series. Sakurai has also tried to hire others to do this job, but apparently, this hasn’t worked out, or it was implied that it couldn’t work at all. While a new Smash could release without him but could lead to a disappointment among fans if it doesn’t end up working out. If Nintendo plans to continue the series, Sakurai wants to have a long discussion to make it a success.
Super Smash Bros. Ultimate is available now exclusively for the Nintendo Switch.