And its hidden internal readme? Just one line: “Sony said no cannibalism.”
If you own a physical disc copy of Marvel Ultimate Alliance 2 for the PS3, downloading the corresponding DLC PKG is widely considered the only way to achieve a "complete" physical collection.
In addition to the character roster, the DLC package provided:
Marvel: Ultimate Alliance 2 (MUA2) for the PlayStation 3 features a highly sought-after DLC pack that was famously delisted due to licensing issues. Today, these characters are officially unobtainable on the PS3 digital store, though they remain a core interest for players using legacy "PKG" files on modified hardware. 🦸 Playable DLC Characters
The "Terrax Invasion" DLC package was a massive hit with players. They loved the new character, Terrax, who brought a fresh set of abilities and playstyles to the game. The new missions were challenging and exciting, with Terrax's invasion of Earth providing a compelling narrative thread.