It could show Howard Stark's reactions to the events in Endgame. Maybe he'd be amazed at the technology used, or shocked at how things have changed in the future. He might also have some unique insights into the characters since he was involved in the early days of the MCU.
In the fanfiction, Howard Stark could potentially interact with the characters in Endgame in some way. He could offer his scientific expertise to help solve problems, or he could be there as an observer who has an impact on the characters just by being present. The story could also play with the idea of what if Howard Stark had been alive during the events of Endgame and how that would have changed the outcome.
You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3) or FanFiction.net. Just use the search bar on those sites and type in 'Howard Stark watches Endgame' to see if there are any relevant stories.
In many fanfictions, Howard Stark is often portrayed as being deeply moved and intrigued by the events of Endgame.
Well, Howard Stark might have a range of reactions. He could be in awe of the advancements, or he might feel a bit left behind. Maybe he'd also have some fatherly pride and a desire to have been more involved.
The portrayal of abuse involving Tony Stark and Howard in fanfiction is quite diverse. Some stories might touch on it to add depth or drama, but not all do. It's really up to the imagination of the fanfic writers.
One idea could be a story where Tony discovers a hidden diary of Howard's that reveals secrets about his early inventions and the true motives behind some of his actions. This could lead to Tony having a new perspective on his father and his own work.
Maybe a fanfiction where Tony discovers hidden secrets about Howard's past that change his perspective on their relationship. It could have elements of intrigue and emotional depth.
Iron Man and Howard Stark would likely start with a bit of shock. Howard might be amazed at the technology Tony has created, and Tony would be in awe of seeing his father alive (if it's that kind of scenario). They'd probably exchange some witty remarks, with Howard being a bit more old - fashioned in his speech. Then they'd start discussing technology, with Howard offering some of his classic insights and Tony showing off his modern advancements.
There might be a fanfiction where a Midtown High student is inspired by the heroes in Endgame to develop their own super - power - like abilities. They then try to use these newfound 'powers' to make a difference in their school and community, all while reflecting on the events of Endgame.
Pepper Potts can also be a great addition in some of these fanfictions. Even though she's mainly related to Tony, her presence can add a different dynamic. For example, if the fanfiction is about Tony dealing with Howard's legacy, Pepper can be the voice of reason, helping Tony see things more clearly. She can also interact with the memory or apparition of Howard in some creative ways, which makes for a great read.
One possible plotline could be that Tony Stark uses his genius to find an alternative way to defeat Thanos without sacrificing himself. Maybe he discovers a new element or technology during the final battle that turns the tide. Another plotline could involve time travel having unforeseen consequences that bring Tony back to life in a different timeline, and he has to find his way back to his original one.