Requires:

{
  "or": [
    {
      "and": [
        {
          "heatFrames": 120
        },
        {
          "ammo": {
            "type": "Super",
            "count": 1
          }
        }
      ]
    },
    {
      "and": [
        {
          "heatFrames": 50
        },
        {
          "ammo": {
            "type": "Super",
            "count": 1
          }
        },
        "canHeroShot"
      ]
    },
    {
      "and": [
        {
          "obstaclesCleared": [
            "A"
          ]
        },
        {
          "heatFrames": 40
        }
      ]
    }
  ]
}

Clears obstacles: A

Unlocks doors:

{"types":["missiles"],"requires":[{"heatFrames":20}]}
{"types":["super"],"requires":[]}
{"types":["powerbomb"],"requires":[{"heatFrames":40}]}

Dev note: This includes an option to open the gate from a distance while approaching from the left. In this case (as well as in the case where the gate is already open), it is assumed you have momentum running through this junction.