You can revive fallen allies with adam warlock even if you’re not in range. Since the revive radius is based on adam’s position and not

If you have issues turning your camera fast enough to do clean dash combos with black panther, consider doing floor dashes. For this you need

If you have a Hawkeye player on your team, you can use his team up ability with black widow to see your enemy’s after images

After using captain america's ultimate, you can hold block and sprint to knock enemies back. If enemies are close enough together you can push them

Blocking with Captain America's Shield actually reflects projectiles. The problem is that the reflected projectiles are not very accurate. But you can circumvent this by