the men in black the series toyline was base on the show but was cancelled/unreleased for unknown reasons. The toyline was shown at the 1998 New York Toy Fair.
MIB:the series toys on display at toy fair 1998
There were, however, promotional kids meal toys made by Burger King in 1998.
Agent Jay
Agent Kay
Drekk
Jay with alien suit
Alpha
MIB playset
Jay suit bio