Because the game was officially scrapped for the PSP, any website offering a "Captain America: Super Soldier PSP ISO" or "download" is typically providing misleading or potentially harmful content. Captain America: Super Soldier for PSP - GameFAQs
Since the game was released in 2011, physical UMD copies are out of print. Digital distribution on the PlayStation Store was shut down for PSP in 2016, meaning you cannot buy it officially through Sony anymore. This is why searches for a "Captain America Super Soldier PSP download" are so common.
The screen went black for a second. Then, the distinct sound of an orchestral swell, the Sega logo, and the Marvel logo flashed before him. The title screen appeared. Steve Rogers stood in the center, shield raised, looking out over a dark, fortress-studded landscape.
Highly athletic and fluid combat that focuses on acrobatic moves and shield-based attacks.
Always scan your downloads and respect the work of developers. Whether you play via UMD, PS Vita, or PPSSPP, Captain America: Super Soldier remains a modest piece of Marvel gaming history worth preserving—legally.