Iron Man's foreknowledge of Kang in Endgame sparks theories.
Stark's genius hinted at a deeper connection to Ant-Man and the Wasp: Quantumania.
Fans speculate Stark's sacrifice may not be his final MCU appearance.
Iron Man's warning in Endgame hints at future trouble with time travel.
Some believe the warning pertains to a younger version of Thanos, others Kang.
Kang's debut in Ant-Man 3 is expected to shake up the MCU.
The Multiverse Saga raises questions about time travel, variants, and universes.
Iron Man's warning may indicate knowledge of future MCU events.
Fans eagerly await Stark's potential connection to Kang's story arc.