For many, Marvel: Ultimate Alliance 2 remains the gold standard of superhero beat 'em ups. The PS3 version, in particular, offered something the Xbox 360 disc didn't: a robust roster of DLC characters that were never included on the base disk. However, with the official PlayStation Store for PS3 becoming more difficult to navigate (and the DLC delisted in many regions), the only way to get the "new" characters in 2025 and beyond is via PKG installation.
Locating a working "new" or complete DLC PKG for MUA2 transforms the base game. It unlocks a stellar lineup of heroes and villains that perfectly complement the game's Civil War storyline. Here is what you get in the complete package: Playable Characters marvel ultimate alliance 2 ps3 dlc pkg new
Conclusion
If you want, I can:
The general process used by the preservation community involves: Unlocking the Fusion: A Guide to the Marvel
I found a few older links, but they are often dead or corrupted. Locating a working "new" or complete DLC PKG
The PKG File: Users locate the specific DLC region PKG (matching their game disc or base game region, such as BLUS for North America or BLES for Europe).