Blade and Deadpool 3 will close out Phase 5 of the MCU - Xfire

The Mahershala Ali-led Blade was delayed to the tail end of Phase 5 while Ryan Reynolds' debut wasn't initially part of the MCU's roadmap.

Marvel REVEALS NEW PHASE 5 MOVIE Release Dates! Deadpool 3, Fantastic Four, Captain America 4

Marvel delays Avengers: Secret Wars, Blade, and other movies - Polygon

Ryan Reynolds – THE RONIN

Deadpool 3 Moved Up By Marvel Studios, As Phase 5, Phase 6 Films Get Pushed Back - Nerdtropolis

Wolverine news

Deadpool 3 Star Talks Differences in Filming in the MCU vs. Fox - Comic Book Movies and Superhero Movie News - SuperHeroHype

Marvel Phases: The MCU Movie Timeline from Phase 1 to Phase 6

Why Deadpool Should Connect Blade to the MCU

Blade (unknown which version) will be in DEADPOOL 3, per Daniel RPK : r/MarvelStudios_Rumours

Could Deadpool 3 Be Marvel's February Phase 5 Movie?

If Deadpool 3 Is Rated-R, MCU's Blade Has To Be Too