Clark Gregg’s Agent Coulson kind of has a similar look and hairline as The Vision so it wouldn’t be hard seeing S.H.I.E.L.D. commemorating their bravest agent by creating an android with his look and memories, as well as the voice of Clark Gregg, which will also allow them to keep the actor involved in the Marvel Universe despite what happens to him in The Avengers.
In the original Arrowverse timeline, Grant Gustin‘s The Flash was reported to have vanished alongside the Reverse-Flash in an explosion…