Marvel Characters You Missed in the MCU (2025): 7 Big Reveals

Think you’re still waiting for some heroes and villains to debut? This guide reveals seven significant Marvel characters who quietly entered the MCU already—through cameos, post‑credits tags, voice roles, and Disney+ arcs. It explains where they appeared, why each matters for Phase 5 and beyond, timeline context, casting status, and what their surprise presence signals for upcoming crossovers and events.