Merchandise (“goods connected with an entity such as a team, band, work of fiction, etc”).
Merchandise (“goods which are or were offered or intended for sale”).
To merchandise.
The promotion of a film, music group, theatre production, etc., through the sale of goods bearing motifs associated with the subject being promoted; also, such goods themselves collectively; merchandise.
The promotion of goods for sale in a store, especially through advertising, attractive displays, discounts, etc.; also (generally), the promotion of any goods or services for sale.