You WILL see this one coming.
Today's Nintendo Direct announced that Super Smash Bros. Ultimate will be receiving an update to version 3.0.0 this Spring. No further details were announced for the patch. Additionally the first downloadable fighter from the Challenger Pack, Persona 5's Joker, will be releasing in April.
Nintendo also announced upcoming amiibo figures for Simon, Snake, Pokémon Trainer, Squirtle, and Ivysaur.