Josh Boone says The New Mutants sequel would have introduced Warlock & Karma

Josh Boone says that the sequel to The New Mutants would have introduced Warlock and Karma, as well as Antonio Banderas as Emmanuel da Costa.

New Mutants Scrapped a Post-Credits Scene With Antonio Banderas

New Mutants Director Reveals Characters and Story for the Trilogy

Warlock (New Mutants) - Wikipedia

New Mutants 2 Would Have Starred Antonio Banderas And Some

Could The New Mutants' new character be someone very familiar?

New Mutants Director Reveals Characters and Story for the Trilogy

Magik and Warlock Will Be in 'X-Men: New Mutants

The New Mutants Director Confirms Antonio Banderas Was Cast as

New Mutants (Team) - Comic Vine