For now, there aren’t any armored-antics in store for the MCU going into Phase 4.
After Tony Stark died after harnessing the power of the Infinity Stones to turn Thanos and his forces to dust, all the major MCU characters attended his funeral.
Gwyneth Paltrow has said that she doesn’t see herself playing Pepper Potts in any major capacity again, but perhaps we could see Tony and Pepper’s daughter Morgan again when she’s older, thus allowing for Katherine Langford to reprise the character.