Is Tony Stark Going to Die in the MCU?

There are rampant rumors that Tony Stark is going to die, for real and good, in Avengers 4.

I'll be honest and say I'm leaning that way myself. There are some factors to consider:

1. Robert Downey, Jr. has said he doesn't want to play the character any more, He's been playing him for a while and the desire to move on to new creative challenges is quite understandable. His contract is coming up, so this is the perfect time for him to leave the franchise.
2. In the comics, Tony Stark is the one who wields the Infinity Gauntlet to stop Thanos. This could well result in Tony dying or, well, something happening.

However, I'd like to add to the prediction: Tony Stark will die in Avengers 4. Iron Man will not.

As in, we are going to see somebody else take on the mantle. There are two obvious possibilities:

1. A recovered Jim Rhodes. He's trained in the suits and has been Iron Man in the comics. This all, of course, depends on Don Cheadle's willingness to step up.
2. Riri Williams, as a contemporary of Spider-Man, which would fit with the vague feeling I have that they're going to start moving on to a new generation of heroes. Perhaps Yara Shahidi (she has the hair) or Amandla Stenberg.

Thoughts?