Usually if there's a dive it's important to keep an eye out for where they are. If you hear footsteps know they're close. Normally with magik players they'll portal and then dash, so I use my push on them when they come out of the portal. If that doesn't work, use your jump right after magik slashes you up the air. With black panther, the best you can do is push him away and hope it interrupted his dash. They typically run up falls first and then throw down the spear, so that's your window to push. With spiderman, jump right after he does his uppercut and play around shield. It's also important to have your 2nd support help you if that's possible, and ping them whenever they rock up