Avengers: Age Of Ultron - 32 Easter Eggs, In-Jokes And References

When Wanda uses her Scarlet Witch powers to mess with all of the Avengers, she transports their minds elsewhere, referencing the comic arc Original Sin.

While there's no specific glimpse of what Hulk sees, Black Widow's vision is very intriguing (more of which soon), while Thor and Captain America are haunted by the future and the past respectively.

In Thor's sequence, Idris Elba's Heimdall turns up warning of the fall of Asgard and mass death, though Loki doesn't actually turn up as widely expected. Neither does the mysterious women from the trailer.

For Cap, there's a flashback sequence that introduces Peggy Carter and allows the pair to have their last dance at the Rivoli Ballroom in London.