Marvel: Ultimate Alliance, a 2006 GBA side-scrolling beat ‘em up by Barking Lizards and Activision, lets you battle Doctor Doom’s Masters of Evil as Marvel heroes like Spider-Man and Captain America. Selling ~100,000 copies, it’s a 2025 X retro niche hit (,).

The .gba ROM (~4 MB) features 2D sprite-based visuals and fast-paced combat, running smoothly on emulators like VisualBoyAdvance, mGBA, or RetroArch on PC, Mac, or Android. Legally download Marvel: Ultimate Alliance GBA ROM by dumping your cartridge with GBxCart RW (~$50,). Avoid illegal ROM sites like EmulatorGames.net due to malware and Activision’s copyright rules (). Buy Marvel cartridges (~$10–$40 in 2025 on eBay) for legal dumping or play on Analogue Pocket. Save the Marvel Universe legally at Gigarom!