Tony Stark (MCU)

Hydra Coup
Tony Stark arrived sometime during the Coup, but decided to stay in his mansion while it happened to research the merge and work on his Iron Legion.

Testing the Mark 42
Tony initially appeared IRP testing the Mark 42. The test could've been more successful than the one seen in the movie because he spent more time developing it, but the Dum-E interfered and messed up the experiment. Tony removed its extinguisher permissions and went to have a well-deserved break, coming across Cave Johnson, someone that caught his attention

Meeting at Aperture
Tony confronted Cave at Aperture, offering to make a cure for him. Using the failing Aperture Science to convince him, Tony got a sample of Cave's blood. Meanwhile, someone broke into his mansion. Darth Maul

Fighting Maul
Tony returned to the mansion and ran another test on the Mark 42, not yet aware of Maul's presence. After Dum-E finally didn't extinguish him, he returned their permissions and began tests on Cave's blood, only to be interrupted by Maul. Thankfully, Dum-E saved Tony, but was cut down shortly after. Tony escaped to the main room, jumping out of the mansions window and summoning the Mark 7

The Mansion was destroyed because of their battle, forcing the two outside. Both fighters were on their back foot and were running out of tricks, but Tony pulled one last trick from his sleeve and ejected from the Mark 7, catching Maul in it and activating the suits self destruct

Aftermath
After the battle, Tony took a Kyber Crystal from Maul's broken lightsaber for research. Before he left, he also said goodbye to Dum-E, praising them for their heroics

Retreat to Avengers tower
Tony returns to Avengers Tower to stay while the mansion is repaired. He meets a Peter Parker from his future, warning him of his death. Before they could do anything, the Tower was attacked by Battle Droids. Peter and Tony fought through them, until General Grievous threatened them with the destruction of New york. Tony bargained with Grievous to let Peter go and went with the droids, being taken to orbit...

Captured by the CIS
Tony was taken aboard the Malevolence and was interrogated for the location of the kyber crystal. Stark coaxed the droids into powering up an attachment on his arc reactor, setting him free. The Magna guards quickly began dueling the suitless Tony

Return of Dum-E
Tony was saved by Dum-E, now in control of the Star-Boost Iron Man armor. With the help of another Tony Stark and his son, the group started to fight they way out of the ship. With some assistance from Obi-Wan Kenobi, Anakin Skywalker and Ahsoka Tano, they sabotaged the ships hyperdrive and saved New York again