Blade appears to be running point or leading based on the fact that he encountered and/or defeated this threat before.
Will wait and see but going by the solicit this threat seems to be some ancient "that which must not be named" entity.
"A new threat is secretly taking over the planet -- and the more people who know about it, the more powerful the threat becomes. Blade dealt with this threat once before, and hoped to never have to again. He can’t bring the Avengers in on this -- not just for their own safety, but for the safety of everyone on Earth. So he must recruit a team of heroes accustomed to darkness -- a strikeforce. "
Freddy Kreuger? Cthulu? Shuma Gorath? Idk I'm guessing some new character or group or maybe an obscure one I've never heard of.
Blade knows Monica and Hellstrom, but has he ever encountered the other characters before? Very curious to see how this group comes together