When searching for the Marvel Ultimate Alliance 2 PS3 DLC PKG , you are looking for two specific packs. Activision split the content into two bundles:
Since the PS3 store for MUA2 DLC was shut down years ago, the only way to get these now is by finding the .pkg files online (from archival sites) and installing them on a or HEN-enabled PS3. marvel ultimate alliance 2 ps3 dlc pkg